9916960

素因数分解:

$2^5\times 5^1\times {\mathrm{61981}}^1$

素因数の和:61996

約数の個数: 24

約数和(自身を含む): 23429196

約数和(自身を除く): 13512236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61981, 123962, 247924, 309905, 495848, 619810, 991696, 1239620, 1983392, 2479240, 4958480, 9916960]

約数ペア:

[(1, 9916960), (2, 4958480), (4, 2479240), (5, 1983392), (8, 1239620), (10, 991696), (16, 619810), (20, 495848), (32, 309905), (40, 247924), (80, 123962), (160, 61981)]