125311420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28351}}^1$

素因数の和:28390

約数の個数: 48

約数和(自身を含む): 300077568

約数和(自身を除く): 174766148

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 28351, 56702, 113404, 141755, 283510, 368563, 481967, 567020, 737126, 963934, 1474252, 1842815, 1927868, 2409835, 3685630, 4819670, 6265571, 7371260, 9639340, 12531142, 25062284, 31327855, 62655710, 125311420]

約数ペア:

[(1, 125311420), (2, 62655710), (4, 31327855), (5, 25062284), (10, 12531142), (13, 9639340), (17, 7371260), (20, 6265571), (26, 4819670), (34, 3685630), (52, 2409835), (65, 1927868), (68, 1842815), (85, 1474252), (130, 963934), (170, 737126), (221, 567020), (260, 481967), (340, 368563), (442, 283510), (884, 141755), (1105, 113404), (2210, 56702), (4420, 28351)]