51344720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 137336448

約数和(自身を除く): 85991728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 277, 280, 331, 554, 560, 662, 1108, 1324, 1385, 1655, 1939, 2216, 2317, 2648, 2770, 3310, 3878, 4432, 4634, 5296, 5540, 6620, 7756, 9268, 9695, 11080, 11585, 13240, 15512, 18536, 19390, 22160, 23170, 26480, 31024, 37072, 38780, 46340, 77560, 91687, 92680, 155120, 183374, 185360, 366748, 458435, 641809, 733496, 916870, 1283618, 1466992, 1833740, 2567236, 3209045, 3667480, 5134472, 6418090, 7334960, 10268944, 12836180, 25672360, 51344720]

約数ペア:

[(1, 51344720), (2, 25672360), (4, 12836180), (5, 10268944), (7, 7334960), (8, 6418090), (10, 5134472), (14, 3667480), (16, 3209045), (20, 2567236), (28, 1833740), (35, 1466992), (40, 1283618), (56, 916870), (70, 733496), (80, 641809), (112, 458435), (140, 366748), (277, 185360), (280, 183374), (331, 155120), (554, 92680), (560, 91687), (662, 77560), (1108, 46340), (1324, 38780), (1385, 37072), (1655, 31024), (1939, 26480), (2216, 23170), (2317, 22160), (2648, 19390), (2770, 18536), (3310, 15512), (3878, 13240), (4432, 11585), (4634, 11080), (5296, 9695), (5540, 9268), (6620, 7756)]