90027440

素因数分解:

$2^4\times 5^1\times {\mathrm{1125343}}^1$

素因数の和:1125356

約数の個数: 20

約数和(自身を含む): 209313984

約数和(自身を除く): 119286544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125343, 2250686, 4501372, 5626715, 9002744, 11253430, 18005488, 22506860, 45013720, 90027440]

約数ペア:

[(1, 90027440), (2, 45013720), (4, 22506860), (5, 18005488), (8, 11253430), (10, 9002744), (16, 5626715), (20, 4501372), (40, 2250686), (80, 1125343)]