40327040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 107442720

約数和(自身を除く): 67115680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 131, 148, 160, 185, 208, 260, 262, 296, 320, 370, 416, 481, 520, 524, 592, 640, 655, 740, 832, 962, 1040, 1048, 1184, 1310, 1480, 1664, 1703, 1924, 2080, 2096, 2368, 2405, 2620, 2960, 3406, 3848, 4160, 4192, 4736, 4810, 4847, 5240, 5920, 6812, 7696, 8320, 8384, 8515, 9620, 9694, 10480, 11840, 13624, 15392, 16768, 17030, 19240, 19388, 20960, 23680, 24235, 27248, 30784, 34060, 38480, 38776, 41920, 48470, 54496, 61568, 63011, 68120, 76960, 77552, 83840, 96940, 108992, 126022, 136240, 153920, 155104, 193880, 217984, 252044, 272480, 307840, 310208, 315055, 387760, 504088, 544960, 620416, 630110, 775520, 1008176, 1089920, 1260220, 1551040, 2016352, 2520440, 3102080, 4032704, 5040880, 8065408, 10081760, 20163520, 40327040]

約数ペア:

[(1, 40327040), (2, 20163520), (4, 10081760), (5, 8065408), (8, 5040880), (10, 4032704), (13, 3102080), (16, 2520440), (20, 2016352), (26, 1551040), (32, 1260220), (37, 1089920), (40, 1008176), (52, 775520), (64, 630110), (65, 620416), (74, 544960), (80, 504088), (104, 387760), (128, 315055), (130, 310208), (131, 307840), (148, 272480), (160, 252044), (185, 217984), (208, 193880), (260, 155104), (262, 153920), (296, 136240), (320, 126022), (370, 108992), (416, 96940), (481, 83840), (520, 77552), (524, 76960), (592, 68120), (640, 63011), (655, 61568), (740, 54496), (832, 48470), (962, 41920), (1040, 38776), (1048, 38480), (1184, 34060), (1310, 30784), (1480, 27248), (1664, 24235), (1703, 23680), (1924, 20960), (2080, 19388), (2096, 19240), (2368, 17030), (2405, 16768), (2620, 15392), (2960, 13624), (3406, 11840), (3848, 10480), (4160, 9694), (4192, 9620), (4736, 8515), (4810, 8384), (4847, 8320), (5240, 7696), (5920, 6812)]