64741820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22637}}^1$

素因数の和:22670

約数の個数: 48

約数和(自身を含む): 159733728

約数和(自身を除く): 94991908

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 22637, 45274, 90548, 113185, 226370, 249007, 294281, 452740, 498014, 588562, 996028, 1177124, 1245035, 1471405, 2490070, 2942810, 3237091, 4980140, 5885620, 6474182, 12948364, 16185455, 32370910, 64741820]

約数ペア:

[(1, 64741820), (2, 32370910), (4, 16185455), (5, 12948364), (10, 6474182), (11, 5885620), (13, 4980140), (20, 3237091), (22, 2942810), (26, 2490070), (44, 1471405), (52, 1245035), (55, 1177124), (65, 996028), (110, 588562), (130, 498014), (143, 452740), (220, 294281), (260, 249007), (286, 226370), (572, 113185), (715, 90548), (1430, 45274), (2860, 22637)]