26991080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21809

約数の個数: 32

約数和(自身を含む): 62691840

約数和(自身を除く): 35700760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21767, 43534, 87068, 108835, 174136, 217670, 435340, 674777, 870680, 1349554, 2699108, 3373885, 5398216, 6747770, 13495540, 26991080]

約数ペア:

[(1, 26991080), (2, 13495540), (4, 6747770), (5, 5398216), (8, 3373885), (10, 2699108), (20, 1349554), (31, 870680), (40, 674777), (62, 435340), (124, 217670), (155, 174136), (248, 108835), (310, 87068), (620, 43534), (1240, 21767)]