51294920

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1609}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 115630200

約数和(自身を除く): 64335280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 1609, 3188, 3218, 3985, 6376, 6436, 7970, 8045, 12872, 15940, 16090, 31880, 32180, 64360, 1282373, 2564746, 5129492, 6411865, 10258984, 12823730, 25647460, 51294920]

約数ペア:

[(1, 51294920), (2, 25647460), (4, 12823730), (5, 10258984), (8, 6411865), (10, 5129492), (20, 2564746), (40, 1282373), (797, 64360), (1594, 32180), (1609, 31880), (3188, 16090), (3218, 15940), (3985, 12872), (6376, 8045), (6436, 7970)]