42668180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40253}}^1$

素因数の和:40315

約数の個数: 24

約数和(自身を含む): 91296072

約数和(自身を除く): 48627892

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 40253, 80506, 161012, 201265, 402530, 805060, 2133409, 4266818, 8533636, 10667045, 21334090, 42668180]

約数ペア:

[(1, 42668180), (2, 21334090), (4, 10667045), (5, 8533636), (10, 4266818), (20, 2133409), (53, 805060), (106, 402530), (212, 201265), (265, 161012), (530, 80506), (1060, 40253)]