56163980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{13309}}^1$

素因数の和:13529

約数の個数: 24

約数和(自身を含む): 118512240

約数和(自身を除く): 62348260

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 13309, 26618, 53236, 66545, 133090, 266180, 2808199, 5616398, 11232796, 14040995, 28081990, 56163980]

約数ペア:

[(1, 56163980), (2, 28081990), (4, 14040995), (5, 11232796), (10, 5616398), (20, 2808199), (211, 266180), (422, 133090), (844, 66545), (1055, 53236), (2110, 26618), (4220, 13309)]