2012087724940

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{204896917}}^1$

素因数の和:204897417

約数の個数: 24

約数和(自身を含む): 4233989913552

約数和(自身を除く): 2221902188612

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 204896917, 409793834, 819587668, 1024484585, 2048969170, 4097938340, 100604386247, 201208772494, 402417544988, 503021931235, 1006043862470, 2012087724940]

約数ペア:

[(1, 2012087724940), (2, 1006043862470), (4, 503021931235), (5, 402417544988), (10, 201208772494), (20, 100604386247), (491, 4097938340), (982, 2048969170), (1964, 1024484585), (2455, 819587668), (4910, 409793834), (9820, 204896917)]