2104163920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{200779}}^1$

素因数の和:200923

約数の個数: 40

約数和(自身を含む): 4929550560

約数和(自身を除く): 2825386640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 200779, 401558, 803116, 1003895, 1606232, 2007790, 3212464, 4015580, 8031160, 16062320, 26302049, 52604098, 105208196, 131510245, 210416392, 263020490, 420832784, 526040980, 1052081960, 2104163920]

約数ペア:

[(1, 2104163920), (2, 1052081960), (4, 526040980), (5, 420832784), (8, 263020490), (10, 210416392), (16, 131510245), (20, 105208196), (40, 52604098), (80, 26302049), (131, 16062320), (262, 8031160), (524, 4015580), (655, 3212464), (1048, 2007790), (1310, 1606232), (2096, 1003895), (2620, 803116), (5240, 401558), (10480, 200779)]