201816080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35531}}^1$

素因数の和:35615

約数の個数: 40

約数和(自身を含む): 475844544

約数和(自身を除く): 274028464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 35531, 71062, 142124, 177655, 284248, 355310, 568496, 710620, 1421240, 2522701, 2842480, 5045402, 10090804, 12613505, 20181608, 25227010, 40363216, 50454020, 100908040, 201816080]

約数ペア:

[(1, 201816080), (2, 100908040), (4, 50454020), (5, 40363216), (8, 25227010), (10, 20181608), (16, 12613505), (20, 10090804), (40, 5045402), (71, 2842480), (80, 2522701), (142, 1421240), (284, 710620), (355, 568496), (568, 355310), (710, 284248), (1136, 177655), (1420, 142124), (2840, 71062), (5680, 35531)]