49438640

素因数分解:

$2^4\times 5^1\times {\mathrm{617983}}^1$

素因数の和:617996

約数の個数: 20

約数和(自身を含む): 114945024

約数和(自身を除く): 65506384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617983, 1235966, 2471932, 3089915, 4943864, 6179830, 9887728, 12359660, 24719320, 49438640]

約数ペア:

[(1, 49438640), (2, 24719320), (4, 12359660), (5, 9887728), (8, 6179830), (10, 4943864), (16, 3089915), (20, 2471932), (40, 1235966), (80, 617983)]