1078889680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1226011}}^1$

素因数の和:1226035

約数の個数: 40

約数和(自身を含む): 2736458784

約数和(自身を除く): 1657569104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1226011, 2452022, 4904044, 6130055, 9808088, 12260110, 13486121, 19616176, 24520220, 26972242, 49040440, 53944484, 67430605, 98080880, 107888968, 134861210, 215777936, 269722420, 539444840, 1078889680]

約数ペア:

[(1, 1078889680), (2, 539444840), (4, 269722420), (5, 215777936), (8, 134861210), (10, 107888968), (11, 98080880), (16, 67430605), (20, 53944484), (22, 49040440), (40, 26972242), (44, 24520220), (55, 19616176), (80, 13486121), (88, 12260110), (110, 9808088), (176, 6130055), (220, 4904044), (440, 2452022), (880, 1226011)]