12631880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 29998080

約数和(自身を除く): 17366200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 167, 244, 248, 305, 310, 334, 488, 610, 620, 668, 835, 1220, 1240, 1336, 1670, 1891, 2440, 3340, 3782, 5177, 6680, 7564, 9455, 10187, 10354, 15128, 18910, 20374, 20708, 25885, 37820, 40748, 41416, 50935, 51770, 75640, 81496, 101870, 103540, 203740, 207080, 315797, 407480, 631594, 1263188, 1578985, 2526376, 3157970, 6315940, 12631880]

約数ペア:

[(1, 12631880), (2, 6315940), (4, 3157970), (5, 2526376), (8, 1578985), (10, 1263188), (20, 631594), (31, 407480), (40, 315797), (61, 207080), (62, 203740), (122, 103540), (124, 101870), (155, 81496), (167, 75640), (244, 51770), (248, 50935), (305, 41416), (310, 40748), (334, 37820), (488, 25885), (610, 20708), (620, 20374), (668, 18910), (835, 15128), (1220, 10354), (1240, 10187), (1336, 9455), (1670, 7564), (1891, 6680), (2440, 5177), (3340, 3782)]