31859120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 76081440

約数和(自身を除く): 44222320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 158, 284, 316, 355, 395, 568, 632, 710, 790, 1136, 1264, 1420, 1580, 2840, 3160, 5041, 5609, 5680, 6320, 10082, 11218, 20164, 22436, 25205, 28045, 40328, 44872, 50410, 56090, 80656, 89744, 100820, 112180, 201640, 224360, 398239, 403280, 448720, 796478, 1592956, 1991195, 3185912, 3982390, 6371824, 7964780, 15929560, 31859120]

約数ペア:

[(1, 31859120), (2, 15929560), (4, 7964780), (5, 6371824), (8, 3982390), (10, 3185912), (16, 1991195), (20, 1592956), (40, 796478), (71, 448720), (79, 403280), (80, 398239), (142, 224360), (158, 201640), (284, 112180), (316, 100820), (355, 89744), (395, 80656), (568, 56090), (632, 50410), (710, 44872), (790, 40328), (1136, 28045), (1264, 25205), (1420, 22436), (1580, 20164), (2840, 11218), (3160, 10082), (5041, 6320), (5609, 5680)]