204558640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17881}}^1$

素因数の和:17918

約数の個数: 80

約数和(自身を含む): 558776736

約数和(自身を除く): 354218096

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 17881, 35762, 71524, 89405, 143048, 178810, 196691, 232453, 286096, 357620, 393382, 464906, 715240, 786764, 929812, 983455, 1162265, 1430480, 1573528, 1859624, 1966910, 2324530, 2556983, 3147056, 3719248, 3933820, 4649060, 5113966, 7867640, 9298120, 10227932, 12784915, 15735280, 18596240, 20455864, 25569830, 40911728, 51139660, 102279320, 204558640]

約数ペア:

[(1, 204558640), (2, 102279320), (4, 51139660), (5, 40911728), (8, 25569830), (10, 20455864), (11, 18596240), (13, 15735280), (16, 12784915), (20, 10227932), (22, 9298120), (26, 7867640), (40, 5113966), (44, 4649060), (52, 3933820), (55, 3719248), (65, 3147056), (80, 2556983), (88, 2324530), (104, 1966910), (110, 1859624), (130, 1573528), (143, 1430480), (176, 1162265), (208, 983455), (220, 929812), (260, 786764), (286, 715240), (440, 464906), (520, 393382), (572, 357620), (715, 286096), (880, 232453), (1040, 196691), (1144, 178810), (1430, 143048), (2288, 89405), (2860, 71524), (5720, 35762), (11440, 17881)]