25437440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 74172672

約数和(自身を除く): 48735232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 167, 170, 224, 238, 256, 272, 280, 320, 334, 340, 448, 476, 544, 560, 595, 640, 668, 680, 835, 896, 952, 1088, 1120, 1169, 1190, 1280, 1336, 1360, 1670, 1792, 1904, 2176, 2240, 2338, 2380, 2672, 2720, 2839, 3340, 3808, 4352, 4480, 4676, 4760, 5344, 5440, 5678, 5845, 6680, 7616, 8960, 9352, 9520, 10688, 10880, 11356, 11690, 13360, 14195, 15232, 18704, 19040, 19873, 21376, 21760, 22712, 23380, 26720, 28390, 30464, 37408, 38080, 39746, 42752, 45424, 46760, 53440, 56780, 74816, 76160, 79492, 90848, 93520, 99365, 106880, 113560, 149632, 152320, 158984, 181696, 187040, 198730, 213760, 227120, 299264, 317968, 363392, 374080, 397460, 454240, 635936, 726784, 748160, 794920, 908480, 1271872, 1496320, 1589840, 1816960, 2543744, 3179680, 3633920, 5087488, 6359360, 12718720, 25437440]

約数ペア:

[(1, 25437440), (2, 12718720), (4, 6359360), (5, 5087488), (7, 3633920), (8, 3179680), (10, 2543744), (14, 1816960), (16, 1589840), (17, 1496320), (20, 1271872), (28, 908480), (32, 794920), (34, 748160), (35, 726784), (40, 635936), (56, 454240), (64, 397460), (68, 374080), (70, 363392), (80, 317968), (85, 299264), (112, 227120), (119, 213760), (128, 198730), (136, 187040), (140, 181696), (160, 158984), (167, 152320), (170, 149632), (224, 113560), (238, 106880), (256, 99365), (272, 93520), (280, 90848), (320, 79492), (334, 76160), (340, 74816), (448, 56780), (476, 53440), (544, 46760), (560, 45424), (595, 42752), (640, 39746), (668, 38080), (680, 37408), (835, 30464), (896, 28390), (952, 26720), (1088, 23380), (1120, 22712), (1169, 21760), (1190, 21376), (1280, 19873), (1336, 19040), (1360, 18704), (1670, 15232), (1792, 14195), (1904, 13360), (2176, 11690), (2240, 11356), (2338, 10880), (2380, 10688), (2672, 9520), (2720, 9352), (2839, 8960), (3340, 7616), (3808, 6680), (4352, 5845), (4480, 5678), (4676, 5440), (4760, 5344)]