77760740

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14347}}^1$

素因数の和:14627

約数の個数: 24

約数和(自身を含む): 163911552

約数和(自身を除く): 86150812

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14347, 28694, 57388, 71735, 143470, 286940, 3888037, 7776074, 15552148, 19440185, 38880370, 77760740]

約数ペア:

[(1, 77760740), (2, 38880370), (4, 19440185), (5, 15552148), (10, 7776074), (20, 3888037), (271, 286940), (542, 143470), (1084, 71735), (1355, 57388), (2710, 28694), (5420, 14347)]