90379480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{132911}}^1$

素因数の和:132939

約数の個数: 32

約数和(自身を含む): 215317440

約数和(自身を除く): 124937960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 132911, 265822, 531644, 664555, 1063288, 1329110, 2259487, 2658220, 4518974, 5316440, 9037948, 11297435, 18075896, 22594870, 45189740, 90379480]

約数ペア:

[(1, 90379480), (2, 45189740), (4, 22594870), (5, 18075896), (8, 11297435), (10, 9037948), (17, 5316440), (20, 4518974), (34, 2658220), (40, 2259487), (68, 1329110), (85, 1063288), (136, 664555), (170, 531644), (340, 265822), (680, 132911)]