15760940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4663}}^1$

素因数の和:4698

約数の個数: 36

約数和(自身を含む): 35847504

約数和(自身を除く): 20086564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4663, 9326, 18652, 23315, 46630, 60619, 93260, 121238, 242476, 303095, 606190, 788047, 1212380, 1576094, 3152188, 3940235, 7880470, 15760940]

約数ペア:

[(1, 15760940), (2, 7880470), (4, 3940235), (5, 3152188), (10, 1576094), (13, 1212380), (20, 788047), (26, 606190), (52, 303095), (65, 242476), (130, 121238), (169, 93260), (260, 60619), (338, 46630), (676, 23315), (845, 18652), (1690, 9326), (3380, 4663)]