71081750

素因数分解:

$2^1\times 5^3\times {\mathrm{157}}^1\times {\mathrm{1811}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 133986528

約数和(自身を除く): 62904778

約数列:

[1, 2, 5, 10, 25, 50, 125, 157, 250, 314, 785, 1570, 1811, 3622, 3925, 7850, 9055, 18110, 19625, 39250, 45275, 90550, 226375, 284327, 452750, 568654, 1421635, 2843270, 7108175, 14216350, 35540875, 71081750]

約数ペア:

[(1, 71081750), (2, 35540875), (5, 14216350), (10, 7108175), (25, 2843270), (50, 1421635), (125, 568654), (157, 452750), (250, 284327), (314, 226375), (785, 90550), (1570, 45275), (1811, 39250), (3622, 19625), (3925, 18110), (7850, 9055)]