158906920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{50287}}^1$

素因数の和:50377

約数の個数: 32

約数和(自身を含む): 362073600

約数和(自身を除く): 203166680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 50287, 100574, 201148, 251435, 402296, 502870, 1005740, 2011480, 3972673, 7945346, 15890692, 19863365, 31781384, 39726730, 79453460, 158906920]

約数ペア:

[(1, 158906920), (2, 79453460), (4, 39726730), (5, 31781384), (8, 19863365), (10, 15890692), (20, 7945346), (40, 3972673), (79, 2011480), (158, 1005740), (316, 502870), (395, 402296), (632, 251435), (790, 201148), (1580, 100574), (3160, 50287)]