4440440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3623

約数の個数: 32

約数和(自身を含む): 10316160

約数和(自身を除く): 5875720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3581, 7162, 14324, 17905, 28648, 35810, 71620, 111011, 143240, 222022, 444044, 555055, 888088, 1110110, 2220220, 4440440]

約数ペア:

[(1, 4440440), (2, 2220220), (4, 1110110), (5, 888088), (8, 555055), (10, 444044), (20, 222022), (31, 143240), (40, 111011), (62, 71620), (124, 35810), (155, 28648), (248, 17905), (310, 14324), (620, 7162), (1240, 3581)]