49995940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31643}}^1$

素因数の和:31731

約数の個数: 24

約数和(自身を含む): 106323840

約数和(自身を除く): 56327900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 31643, 63286, 126572, 158215, 316430, 632860, 2499797, 4999594, 9999188, 12498985, 24997970, 49995940]

約数ペア:

[(1, 49995940), (2, 24997970), (4, 12498985), (5, 9999188), (10, 4999594), (20, 2499797), (79, 632860), (158, 316430), (316, 158215), (395, 126572), (790, 63286), (1580, 31643)]