8727160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 21279240

約数和(自身を除く): 12552080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1291, 1352, 1690, 2582, 3380, 5164, 6455, 6760, 10328, 12910, 16783, 25820, 33566, 51640, 67132, 83915, 134264, 167830, 218179, 335660, 436358, 671320, 872716, 1090895, 1745432, 2181790, 4363580, 8727160]

約数ペア:

[(1, 8727160), (2, 4363580), (4, 2181790), (5, 1745432), (8, 1090895), (10, 872716), (13, 671320), (20, 436358), (26, 335660), (40, 218179), (52, 167830), (65, 134264), (104, 83915), (130, 67132), (169, 51640), (260, 33566), (338, 25820), (520, 16783), (676, 12910), (845, 10328), (1291, 6760), (1352, 6455), (1690, 5164), (2582, 3380)]