3944440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3223

約数の個数: 32

約数和(自身を含む): 9164160

約数和(自身を除く): 5219720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3181, 6362, 12724, 15905, 25448, 31810, 63620, 98611, 127240, 197222, 394444, 493055, 788888, 986110, 1972220, 3944440]

約数ペア:

[(1, 3944440), (2, 1972220), (4, 986110), (5, 788888), (8, 493055), (10, 394444), (20, 197222), (31, 127240), (40, 98611), (62, 63620), (124, 31810), (155, 25448), (248, 15905), (310, 12724), (620, 6362), (1240, 3181)]