18080109920

素因数分解:

$2^5\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{28229}}^1$

素因数の和:32247

約数の個数: 48

約数和(自身を含む): 42726443760

約数和(自身を除く): 24646333840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4003, 8006, 16012, 20015, 28229, 32024, 40030, 56458, 64048, 80060, 112916, 128096, 141145, 160120, 225832, 282290, 320240, 451664, 564580, 640480, 903328, 1129160, 2258320, 4516640, 113000687, 226001374, 452002748, 565003435, 904005496, 1130006870, 1808010992, 2260013740, 3616021984, 4520027480, 9040054960, 18080109920]

約数ペア:

[(1, 18080109920), (2, 9040054960), (4, 4520027480), (5, 3616021984), (8, 2260013740), (10, 1808010992), (16, 1130006870), (20, 904005496), (32, 565003435), (40, 452002748), (80, 226001374), (160, 113000687), (4003, 4516640), (8006, 2258320), (16012, 1129160), (20015, 903328), (28229, 640480), (32024, 564580), (40030, 451664), (56458, 320240), (64048, 282290), (80060, 225832), (112916, 160120), (128096, 141145)]