123553160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{14639}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 279331200

約数和(自身を除く): 155778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 14639, 29278, 58556, 73195, 117112, 146390, 292780, 585560, 3088829, 6177658, 12355316, 15444145, 24710632, 30888290, 61776580, 123553160]

約数ペア:

[(1, 123553160), (2, 61776580), (4, 30888290), (5, 24710632), (8, 15444145), (10, 12355316), (20, 6177658), (40, 3088829), (211, 585560), (422, 292780), (844, 146390), (1055, 117112), (1688, 73195), (2110, 58556), (4220, 29278), (8440, 14639)]