489347440

素因数分解:

$2^4\times 5^1\times {\mathrm{6116843}}^1$

素因数の和:6116856

約数の個数: 20

約数和(自身を含む): 1137732984

約数和(自身を除く): 648385544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6116843, 12233686, 24467372, 30584215, 48934744, 61168430, 97869488, 122336860, 244673720, 489347440]

約数ペア:

[(1, 489347440), (2, 244673720), (4, 122336860), (5, 97869488), (8, 61168430), (10, 48934744), (16, 30584215), (20, 24467372), (40, 12233686), (80, 6116843)]