28422040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22921}}^1$

素因数の和:22963

約数の個数: 32

約数和(自身を含む): 66015360

約数和(自身を除く): 37593320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22921, 45842, 91684, 114605, 183368, 229210, 458420, 710551, 916840, 1421102, 2842204, 3552755, 5684408, 7105510, 14211020, 28422040]

約数ペア:

[(1, 28422040), (2, 14211020), (4, 7105510), (5, 5684408), (8, 3552755), (10, 2842204), (20, 1421102), (31, 916840), (40, 710551), (62, 458420), (124, 229210), (155, 183368), (248, 114605), (310, 91684), (620, 45842), (1240, 22921)]