22276840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5407}}^1$

素因数の和:5521

約数の個数: 32

約数和(自身を含む): 50618880

約数和(自身を除く): 28342040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5407, 10814, 21628, 27035, 43256, 54070, 108140, 216280, 556921, 1113842, 2227684, 2784605, 4455368, 5569210, 11138420, 22276840]

約数ペア:

[(1, 22276840), (2, 11138420), (4, 5569210), (5, 4455368), (8, 2784605), (10, 2227684), (20, 1113842), (40, 556921), (103, 216280), (206, 108140), (412, 54070), (515, 43256), (824, 27035), (1030, 21628), (2060, 10814), (4120, 5407)]