63912140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{52387}}^1$

素因数の和:52457

約数の個数: 24

約数和(自身を含む): 136418352

約数和(自身を除く): 72506212

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 52387, 104774, 209548, 261935, 523870, 1047740, 3195607, 6391214, 12782428, 15978035, 31956070, 63912140]

約数ペア:

[(1, 63912140), (2, 31956070), (4, 15978035), (5, 12782428), (10, 6391214), (20, 3195607), (61, 1047740), (122, 523870), (244, 261935), (305, 209548), (610, 104774), (1220, 52387)]