7938920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18043}}^1$

素因数の和:18065

約数の個数: 32

約数和(自身を含む): 19487520

約数和(自身を除く): 11548600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18043, 36086, 72172, 90215, 144344, 180430, 198473, 360860, 396946, 721720, 793892, 992365, 1587784, 1984730, 3969460, 7938920]

約数ペア:

[(1, 7938920), (2, 3969460), (4, 1984730), (5, 1587784), (8, 992365), (10, 793892), (11, 721720), (20, 396946), (22, 360860), (40, 198473), (44, 180430), (55, 144344), (88, 90215), (110, 72172), (220, 36086), (440, 18043)]