201582680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387659}}^1$

素因数の和:387683

約数の個数: 32

約数和(自身を含む): 488451600

約数和(自身を除く): 286868920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387659, 775318, 1550636, 1938295, 3101272, 3876590, 5039567, 7753180, 10079134, 15506360, 20158268, 25197835, 40316536, 50395670, 100791340, 201582680]

約数ペア:

[(1, 201582680), (2, 100791340), (4, 50395670), (5, 40316536), (8, 25197835), (10, 20158268), (13, 15506360), (20, 10079134), (26, 7753180), (40, 5039567), (52, 3876590), (65, 3101272), (104, 1938295), (130, 1550636), (260, 775318), (520, 387659)]