1112840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 2566080

約数和(自身を除く): 1453240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 647, 860, 1294, 1720, 2588, 3235, 5176, 6470, 12940, 25880, 27821, 55642, 111284, 139105, 222568, 278210, 556420, 1112840]

約数ペア:

[(1, 1112840), (2, 556420), (4, 278210), (5, 222568), (8, 139105), (10, 111284), (20, 55642), (40, 27821), (43, 25880), (86, 12940), (172, 6470), (215, 5176), (344, 3235), (430, 2588), (647, 1720), (860, 1294)]