64874920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 160107840

約数和(自身を除く): 95232920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 283, 440, 521, 566, 1042, 1132, 1415, 2084, 2264, 2605, 2830, 3113, 4168, 5210, 5660, 5731, 6226, 10420, 11320, 11462, 12452, 15565, 20840, 22924, 24904, 28655, 31130, 45848, 57310, 62260, 114620, 124520, 147443, 229240, 294886, 589772, 737215, 1179544, 1474430, 1621873, 2948860, 3243746, 5897720, 6487492, 8109365, 12974984, 16218730, 32437460, 64874920]

約数ペア:

[(1, 64874920), (2, 32437460), (4, 16218730), (5, 12974984), (8, 8109365), (10, 6487492), (11, 5897720), (20, 3243746), (22, 2948860), (40, 1621873), (44, 1474430), (55, 1179544), (88, 737215), (110, 589772), (220, 294886), (283, 229240), (440, 147443), (521, 124520), (566, 114620), (1042, 62260), (1132, 57310), (1415, 45848), (2084, 31130), (2264, 28655), (2605, 24904), (2830, 22924), (3113, 20840), (4168, 15565), (5210, 12452), (5660, 11462), (5731, 11320), (6226, 10420)]