81097340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3779}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 180986400

約数和(自身を除く): 99889060

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3779, 4292, 5365, 7558, 10730, 15116, 18895, 21460, 37790, 75580, 109591, 139823, 219182, 279646, 438364, 547955, 559292, 699115, 1095910, 1398230, 2191820, 2796460, 4054867, 8109734, 16219468, 20274335, 40548670, 81097340]

約数ペア:

[(1, 81097340), (2, 40548670), (4, 20274335), (5, 16219468), (10, 8109734), (20, 4054867), (29, 2796460), (37, 2191820), (58, 1398230), (74, 1095910), (116, 699115), (145, 559292), (148, 547955), (185, 438364), (290, 279646), (370, 219182), (580, 139823), (740, 109591), (1073, 75580), (2146, 37790), (3779, 21460), (4292, 18895), (5365, 15116), (7558, 10730)]