13147580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 28791840

約数和(自身を除く): 15644260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 163, 185, 218, 326, 370, 436, 545, 652, 740, 815, 1090, 1630, 2180, 3260, 4033, 6031, 8066, 12062, 16132, 17767, 20165, 24124, 30155, 35534, 40330, 60310, 71068, 80660, 88835, 120620, 177670, 355340, 657379, 1314758, 2629516, 3286895, 6573790, 13147580]

約数ペア:

[(1, 13147580), (2, 6573790), (4, 3286895), (5, 2629516), (10, 1314758), (20, 657379), (37, 355340), (74, 177670), (109, 120620), (148, 88835), (163, 80660), (185, 71068), (218, 60310), (326, 40330), (370, 35534), (436, 30155), (545, 24124), (652, 20165), (740, 17767), (815, 16132), (1090, 12062), (1630, 8066), (2180, 6031), (3260, 4033)]