57878420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{22091}}^1$

素因数の和:22231

約数の個数: 24

約数和(自身を含む): 122478048

約数和(自身を除く): 64599628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 22091, 44182, 88364, 110455, 220910, 441820, 2893921, 5787842, 11575684, 14469605, 28939210, 57878420]

約数ペア:

[(1, 57878420), (2, 28939210), (4, 14469605), (5, 11575684), (10, 5787842), (20, 2893921), (131, 441820), (262, 220910), (524, 110455), (655, 88364), (1310, 44182), (2620, 22091)]