78954620

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17239}}^1$

素因数の和:17477

約数の個数: 24

約数和(自身を含む): 166538400

約数和(自身を除く): 87583780

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 17239, 34478, 68956, 86195, 172390, 344780, 3947731, 7895462, 15790924, 19738655, 39477310, 78954620]

約数ペア:

[(1, 78954620), (2, 39477310), (4, 19738655), (5, 15790924), (10, 7895462), (20, 3947731), (229, 344780), (458, 172390), (916, 86195), (1145, 68956), (2290, 34478), (4580, 17239)]