8149240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18521}}^1$

素因数の和:18543

約数の個数: 32

約数和(自身を含む): 20003760

約数和(自身を除く): 11854520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18521, 37042, 74084, 92605, 148168, 185210, 203731, 370420, 407462, 740840, 814924, 1018655, 1629848, 2037310, 4074620, 8149240]

約数ペア:

[(1, 8149240), (2, 4074620), (4, 2037310), (5, 1629848), (8, 1018655), (10, 814924), (11, 740840), (20, 407462), (22, 370420), (40, 203731), (44, 185210), (55, 148168), (88, 92605), (110, 74084), (220, 37042), (440, 18521)]