90510040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133103}}^1$

素因数の和:133131

約数の個数: 32

約数和(自身を含む): 215628480

約数和(自身を除く): 125118440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133103, 266206, 532412, 665515, 1064824, 1331030, 2262751, 2662060, 4525502, 5324120, 9051004, 11313755, 18102008, 22627510, 45255020, 90510040]

約数ペア:

[(1, 90510040), (2, 45255020), (4, 22627510), (5, 18102008), (8, 11313755), (10, 9051004), (17, 5324120), (20, 4525502), (34, 2662060), (40, 2262751), (68, 1331030), (85, 1064824), (136, 665515), (170, 532412), (340, 266206), (680, 133103)]