51847640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99707}}^1$

素因数の和:99731

約数の個数: 32

約数和(自身を含む): 125632080

約数和(自身を除く): 73784440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99707, 199414, 398828, 498535, 797656, 997070, 1296191, 1994140, 2592382, 3988280, 5184764, 6480955, 10369528, 12961910, 25923820, 51847640]

約数ペア:

[(1, 51847640), (2, 25923820), (4, 12961910), (5, 10369528), (8, 6480955), (10, 5184764), (13, 3988280), (20, 2592382), (26, 1994140), (40, 1296191), (52, 997070), (65, 797656), (104, 498535), (130, 398828), (260, 199414), (520, 99707)]