22222040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17963

約数の個数: 32

約数和(自身を含む): 51615360

約数和(自身を除く): 29393320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 17921, 35842, 71684, 89605, 143368, 179210, 358420, 555551, 716840, 1111102, 2222204, 2777755, 4444408, 5555510, 11111020, 22222040]

約数ペア:

[(1, 22222040), (2, 11111020), (4, 5555510), (5, 4444408), (8, 2777755), (10, 2222204), (20, 1111102), (31, 716840), (40, 555551), (62, 358420), (124, 179210), (155, 143368), (248, 89605), (310, 71684), (620, 35842), (1240, 17921)]