13856180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 31646160

約数和(自身を除く): 17789980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 389, 548, 685, 778, 1370, 1556, 1781, 1945, 2740, 3562, 3890, 5057, 7124, 7780, 8905, 10114, 17810, 20228, 25285, 35620, 50570, 53293, 101140, 106586, 213172, 266465, 532930, 692809, 1065860, 1385618, 2771236, 3464045, 6928090, 13856180]

約数ペア:

[(1, 13856180), (2, 6928090), (4, 3464045), (5, 2771236), (10, 1385618), (13, 1065860), (20, 692809), (26, 532930), (52, 266465), (65, 213172), (130, 106586), (137, 101140), (260, 53293), (274, 50570), (389, 35620), (548, 25285), (685, 20228), (778, 17810), (1370, 10114), (1556, 8905), (1781, 7780), (1945, 7124), (2740, 5057), (3562, 3890)]