13217540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4969}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 33398400

約数和(自身を除く): 20180860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4969, 9938, 19876, 24845, 34783, 49690, 69566, 94411, 99380, 139132, 173915, 188822, 347830, 377644, 472055, 660877, 695660, 944110, 1321754, 1888220, 2643508, 3304385, 6608770, 13217540]

約数ペア:

[(1, 13217540), (2, 6608770), (4, 3304385), (5, 2643508), (7, 1888220), (10, 1321754), (14, 944110), (19, 695660), (20, 660877), (28, 472055), (35, 377644), (38, 347830), (70, 188822), (76, 173915), (95, 139132), (133, 99380), (140, 94411), (190, 69566), (266, 49690), (380, 34783), (532, 24845), (665, 19876), (1330, 9938), (2660, 4969)]