201086920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{116911}}^1$

素因数の和:116965

約数の個数: 32

約数和(自身を含む): 462971520

約数和(自身を除く): 261884600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 116911, 233822, 467644, 584555, 935288, 1169110, 2338220, 4676440, 5027173, 10054346, 20108692, 25135865, 40217384, 50271730, 100543460, 201086920]

約数ペア:

[(1, 201086920), (2, 100543460), (4, 50271730), (5, 40217384), (8, 25135865), (10, 20108692), (20, 10054346), (40, 5027173), (43, 4676440), (86, 2338220), (172, 1169110), (215, 935288), (344, 584555), (430, 467644), (860, 233822), (1720, 116911)]