8423888980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{85487}}^1$

素因数の和:85888

約数の個数: 48

約数和(自身を含む): 19101438720

約数和(自身を除く): 10677549740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 24635, 49270, 85487, 98540, 170974, 341948, 427435, 854870, 1111331, 1709740, 2222662, 4445324, 5556655, 11113310, 22226620, 32399573, 64799146, 129598292, 161997865, 323995730, 421194449, 647991460, 842388898, 1684777796, 2105972245, 4211944490, 8423888980]

約数ペア:

[(1, 8423888980), (2, 4211944490), (4, 2105972245), (5, 1684777796), (10, 842388898), (13, 647991460), (20, 421194449), (26, 323995730), (52, 161997865), (65, 129598292), (130, 64799146), (260, 32399573), (379, 22226620), (758, 11113310), (1516, 5556655), (1895, 4445324), (3790, 2222662), (4927, 1709740), (7580, 1111331), (9854, 854870), (19708, 427435), (24635, 341948), (49270, 170974), (85487, 98540)]