15731920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6781}}^1$

素因数の和:6823

約数の個数: 40

約数和(自身を含む): 37843560

約数和(自身を除く): 22111640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 6781, 13562, 27124, 33905, 54248, 67810, 108496, 135620, 196649, 271240, 393298, 542480, 786596, 983245, 1573192, 1966490, 3146384, 3932980, 7865960, 15731920]

約数ペア:

[(1, 15731920), (2, 7865960), (4, 3932980), (5, 3146384), (8, 1966490), (10, 1573192), (16, 983245), (20, 786596), (29, 542480), (40, 393298), (58, 271240), (80, 196649), (116, 135620), (145, 108496), (232, 67810), (290, 54248), (464, 33905), (580, 27124), (1160, 13562), (2320, 6781)]