3961840

素因数分解:

$2^4\times 5^1\times {\mathrm{49523}}^1$

素因数の和:49536

約数の個数: 20

約数和(自身を含む): 9211464

約数和(自身を除く): 5249624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49523, 99046, 198092, 247615, 396184, 495230, 792368, 990460, 1980920, 3961840]

約数ペア:

[(1, 3961840), (2, 1980920), (4, 990460), (5, 792368), (8, 495230), (10, 396184), (16, 247615), (20, 198092), (40, 99046), (80, 49523)]