4958480

素因数分解:

$2^4\times 5^1\times {\mathrm{61981}}^1$

素因数の和:61994

約数の個数: 20

約数和(自身を含む): 11528652

約数和(自身を除く): 6570172

約数列:

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

約数ペア:

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