67288780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258803}}^1$

素因数の和:258825

約数の個数: 24

約数和(自身を含む): 152176752

約数和(自身を除く): 84887972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258803, 517606, 1035212, 1294015, 2588030, 3364439, 5176060, 6728878, 13457756, 16822195, 33644390, 67288780]

約数ペア:

[(1, 67288780), (2, 33644390), (4, 16822195), (5, 13457756), (10, 6728878), (13, 5176060), (20, 3364439), (26, 2588030), (52, 1294015), (65, 1035212), (130, 517606), (260, 258803)]