25529920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 73161144

約数和(自身を除く): 47631224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 52, 64, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 160, 170, 190, 208, 221, 247, 260, 272, 304, 320, 323, 340, 361, 380, 416, 442, 494, 520, 544, 608, 646, 680, 722, 760, 832, 884, 988, 1040, 1088, 1105, 1216, 1235, 1292, 1360, 1444, 1520, 1615, 1768, 1805, 1976, 2080, 2210, 2470, 2584, 2720, 2888, 3040, 3230, 3536, 3610, 3952, 4160, 4199, 4420, 4693, 4940, 5168, 5440, 5776, 6080, 6137, 6460, 7072, 7220, 7904, 8398, 8840, 9386, 9880, 10336, 11552, 12274, 12920, 14144, 14440, 15808, 16796, 17680, 18772, 19760, 20672, 20995, 23104, 23465, 24548, 25840, 28880, 30685, 33592, 35360, 37544, 39520, 41990, 46930, 49096, 51680, 57760, 61370, 67184, 70720, 75088, 79040, 79781, 83980, 93860, 98192, 103360, 115520, 122740, 134368, 150176, 159562, 167960, 187720, 196384, 245480, 268736, 300352, 319124, 335920, 375440, 392768, 398905, 490960, 638248, 671840, 750880, 797810, 981920, 1276496, 1343680, 1501760, 1595620, 1963840, 2552992, 3191240, 5105984, 6382480, 12764960, 25529920]

約数ペア:

[(1, 25529920), (2, 12764960), (4, 6382480), (5, 5105984), (8, 3191240), (10, 2552992), (13, 1963840), (16, 1595620), (17, 1501760), (19, 1343680), (20, 1276496), (26, 981920), (32, 797810), (34, 750880), (38, 671840), (40, 638248), (52, 490960), (64, 398905), (65, 392768), (68, 375440), (76, 335920), (80, 319124), (85, 300352), (95, 268736), (104, 245480), (130, 196384), (136, 187720), (152, 167960), (160, 159562), (170, 150176), (190, 134368), (208, 122740), (221, 115520), (247, 103360), (260, 98192), (272, 93860), (304, 83980), (320, 79781), (323, 79040), (340, 75088), (361, 70720), (380, 67184), (416, 61370), (442, 57760), (494, 51680), (520, 49096), (544, 46930), (608, 41990), (646, 39520), (680, 37544), (722, 35360), (760, 33592), (832, 30685), (884, 28880), (988, 25840), (1040, 24548), (1088, 23465), (1105, 23104), (1216, 20995), (1235, 20672), (1292, 19760), (1360, 18772), (1444, 17680), (1520, 16796), (1615, 15808), (1768, 14440), (1805, 14144), (1976, 12920), (2080, 12274), (2210, 11552), (2470, 10336), (2584, 9880), (2720, 9386), (2888, 8840), (3040, 8398), (3230, 7904), (3536, 7220), (3610, 7072), (3952, 6460), (4160, 6137), (4199, 6080), (4420, 5776), (4693, 5440), (4940, 5168)]