64125620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246637}}^1$

素因数の和:246659

約数の個数: 24

約数和(自身を含む): 145023144

約数和(自身を除く): 80897524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 246637, 493274, 986548, 1233185, 2466370, 3206281, 4932740, 6412562, 12825124, 16031405, 32062810, 64125620]

約数ペア:

[(1, 64125620), (2, 32062810), (4, 16031405), (5, 12825124), (10, 6412562), (13, 4932740), (20, 3206281), (26, 2466370), (52, 1233185), (65, 986548), (130, 493274), (260, 246637)]