66141140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254389}}^1$

素因数の和:254411

約数の個数: 24

約数和(自身を含む): 149581320

約数和(自身を除く): 83440180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254389, 508778, 1017556, 1271945, 2543890, 3307057, 5087780, 6614114, 13228228, 16535285, 33070570, 66141140]

約数ペア:

[(1, 66141140), (2, 33070570), (4, 16535285), (5, 13228228), (10, 6614114), (13, 5087780), (20, 3307057), (26, 2543890), (52, 1271945), (65, 1017556), (130, 508778), (260, 254389)]