64938280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13417}}^1$

素因数の和:13450

約数の個数: 48

約数和(自身を含む): 160613460

約数和(自身を除く): 95675180

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13417, 26834, 53668, 67085, 107336, 134170, 147587, 268340, 295174, 536680, 590348, 737935, 1180696, 1475870, 1623457, 2951740, 3246914, 5903480, 6493828, 8117285, 12987656, 16234570, 32469140, 64938280]

約数ペア:

[(1, 64938280), (2, 32469140), (4, 16234570), (5, 12987656), (8, 8117285), (10, 6493828), (11, 5903480), (20, 3246914), (22, 2951740), (40, 1623457), (44, 1475870), (55, 1180696), (88, 737935), (110, 590348), (121, 536680), (220, 295174), (242, 268340), (440, 147587), (484, 134170), (605, 107336), (968, 67085), (1210, 53668), (2420, 26834), (4840, 13417)]