13405480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30467}}^1$

素因数の和:30489

約数の個数: 32

約数和(自身を含む): 32905440

約数和(自身を除く): 19499960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 30467, 60934, 121868, 152335, 243736, 304670, 335137, 609340, 670274, 1218680, 1340548, 1675685, 2681096, 3351370, 6702740, 13405480]

約数ペア:

[(1, 13405480), (2, 6702740), (4, 3351370), (5, 2681096), (8, 1675685), (10, 1340548), (11, 1218680), (20, 670274), (22, 609340), (40, 335137), (44, 304670), (55, 243736), (88, 152335), (110, 121868), (220, 60934), (440, 30467)]