28788890050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{342521}}^1$

素因数の和:342615

約数の個数: 36

約数和(自身を含む): 54885382758

約数和(自身を除く): 26096492708

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 1681, 2050, 3362, 8405, 16810, 42025, 84050, 342521, 685042, 1712605, 3425210, 8563025, 14043361, 17126050, 28086722, 70216805, 140433610, 351084025, 575777801, 702168050, 1151555602, 2878889005, 5757778010, 14394445025, 28788890050]

約数ペア:

[(1, 28788890050), (2, 14394445025), (5, 5757778010), (10, 2878889005), (25, 1151555602), (41, 702168050), (50, 575777801), (82, 351084025), (205, 140433610), (410, 70216805), (1025, 28086722), (1681, 17126050), (2050, 14043361), (3362, 8563025), (8405, 3425210), (16810, 1712605), (42025, 685042), (84050, 342521)]