12502820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 17833948

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3343, 3740, 6686, 13372, 16715, 33430, 36773, 56831, 66860, 73546, 113662, 147092, 183865, 227324, 284155, 367730, 568310, 625141, 735460, 1136620, 1250282, 2500564, 3125705, 6251410, 12502820]

約数ペア:

[(1, 12502820), (2, 6251410), (4, 3125705), (5, 2500564), (10, 1250282), (11, 1136620), (17, 735460), (20, 625141), (22, 568310), (34, 367730), (44, 284155), (55, 227324), (68, 183865), (85, 147092), (110, 113662), (170, 73546), (187, 66860), (220, 56831), (340, 36773), (374, 33430), (748, 16715), (935, 13372), (1870, 6686), (3343, 3740)]