91025380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 197406720

約数和(自身を除く): 106381340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 1060, 1087, 1580, 2174, 4187, 4348, 5435, 8374, 10870, 16748, 20935, 21740, 41870, 57611, 83740, 85873, 115222, 171746, 230444, 288055, 343492, 429365, 576110, 858730, 1152220, 1717460, 4551269, 9102538, 18205076, 22756345, 45512690, 91025380]

約数ペア:

[(1, 91025380), (2, 45512690), (4, 22756345), (5, 18205076), (10, 9102538), (20, 4551269), (53, 1717460), (79, 1152220), (106, 858730), (158, 576110), (212, 429365), (265, 343492), (316, 288055), (395, 230444), (530, 171746), (790, 115222), (1060, 85873), (1087, 83740), (1580, 57611), (2174, 41870), (4187, 21740), (4348, 20935), (5435, 16748), (8374, 10870)]