13518520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8243}}^1$

素因数の和:8295

約数の個数: 32

約数和(自身を含む): 31162320

約数和(自身を除く): 17643800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8243, 16486, 32972, 41215, 65944, 82430, 164860, 329720, 337963, 675926, 1351852, 1689815, 2703704, 3379630, 6759260, 13518520]

約数ペア:

[(1, 13518520), (2, 6759260), (4, 3379630), (5, 2703704), (8, 1689815), (10, 1351852), (20, 675926), (40, 337963), (41, 329720), (82, 164860), (164, 82430), (205, 65944), (328, 41215), (410, 32972), (820, 16486), (1640, 8243)]