201871540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776429}}^1$

素因数の和:776451

約数の個数: 24

約数和(自身を含む): 456540840

約数和(自身を除く): 254669300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776429, 1552858, 3105716, 3882145, 7764290, 10093577, 15528580, 20187154, 40374308, 50467885, 100935770, 201871540]

約数ペア:

[(1, 201871540), (2, 100935770), (4, 50467885), (5, 40374308), (10, 20187154), (13, 15528580), (20, 10093577), (26, 7764290), (52, 3882145), (65, 3105716), (130, 1552858), (260, 776429)]