131861960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{29173}}^1$

素因数の和:29297

約数の個数: 32

約数和(自身を含む): 299325240

約数和(自身を除く): 167463280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 29173, 58346, 116692, 145865, 233384, 291730, 583460, 1166920, 3296549, 6593098, 13186196, 16482745, 26372392, 32965490, 65930980, 131861960]

約数ペア:

[(1, 131861960), (2, 65930980), (4, 32965490), (5, 26372392), (8, 16482745), (10, 13186196), (20, 6593098), (40, 3296549), (113, 1166920), (226, 583460), (452, 291730), (565, 233384), (904, 145865), (1130, 116692), (2260, 58346), (4520, 29173)]