2839199960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{898481}}^1$

素因数の和:898571

約数の個数: 32

約数和(自身を含む): 6469070400

約数和(自身を除く): 3629870440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 898481, 1796962, 3593924, 4492405, 7187848, 8984810, 17969620, 35939240, 70979999, 141959998, 283919996, 354899995, 567839992, 709799990, 1419599980, 2839199960]

約数ペア:

[(1, 2839199960), (2, 1419599980), (4, 709799990), (5, 567839992), (8, 354899995), (10, 283919996), (20, 141959998), (40, 70979999), (79, 35939240), (158, 17969620), (316, 8984810), (395, 7187848), (632, 4492405), (790, 3593924), (1580, 1796962), (3160, 898481)]