71605640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61729}}^1$

素因数の和:61769

約数の個数: 32

約数和(自身を含む): 166671000

約数和(自身を除く): 95065360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61729, 123458, 246916, 308645, 493832, 617290, 1234580, 1790141, 2469160, 3580282, 7160564, 8950705, 14321128, 17901410, 35802820, 71605640]

約数ペア:

[(1, 71605640), (2, 35802820), (4, 17901410), (5, 14321128), (8, 8950705), (10, 7160564), (20, 3580282), (29, 2469160), (40, 1790141), (58, 1234580), (116, 617290), (145, 493832), (232, 308645), (290, 246916), (580, 123458), (1160, 61729)]