805411640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1830481}}^1$

素因数の和:1830503

約数の個数: 32

約数和(自身を含む): 1976920560

約数和(自身を除く): 1171508920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1830481, 3660962, 7321924, 9152405, 14643848, 18304810, 20135291, 36609620, 40270582, 73219240, 80541164, 100676455, 161082328, 201352910, 402705820, 805411640]

約数ペア:

[(1, 805411640), (2, 402705820), (4, 201352910), (5, 161082328), (8, 100676455), (10, 80541164), (11, 73219240), (20, 40270582), (22, 36609620), (40, 20135291), (44, 18304810), (55, 14643848), (88, 9152405), (110, 7321924), (220, 3660962), (440, 1830481)]