61971820

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{5563}}^1$

素因数の和:6129

約数の個数: 24

約数和(自身を含む): 130397904

約数和(自身を除く): 68426084

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5563, 5570, 11126, 11140, 22252, 27815, 55630, 111260, 3098591, 6197182, 12394364, 15492955, 30985910, 61971820]

約数ペア:

[(1, 61971820), (2, 30985910), (4, 15492955), (5, 12394364), (10, 6197182), (20, 3098591), (557, 111260), (1114, 55630), (2228, 27815), (2785, 22252), (5563, 11140), (5570, 11126)]