66878500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{10289}}^1$

素因数の和:10321

約数の個数: 48

約数和(自身を含む): 157313520

約数和(自身を除く): 90435020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 10289, 20578, 41156, 51445, 102890, 133757, 205780, 257225, 267514, 514450, 535028, 668785, 1028900, 1286125, 1337570, 2572250, 2675140, 3343925, 5144500, 6687850, 13375700, 16719625, 33439250, 66878500]

約数ペア:

[(1, 66878500), (2, 33439250), (4, 16719625), (5, 13375700), (10, 6687850), (13, 5144500), (20, 3343925), (25, 2675140), (26, 2572250), (50, 1337570), (52, 1286125), (65, 1028900), (100, 668785), (125, 535028), (130, 514450), (250, 267514), (260, 257225), (325, 205780), (500, 133757), (650, 102890), (1300, 51445), (1625, 41156), (3250, 20578), (6500, 10289)]