8880880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3625

約数の個数: 40

約数和(自身を含む): 21320064

約数和(自身を除く): 12439184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3581, 7162, 14324, 17905, 28648, 35810, 57296, 71620, 111011, 143240, 222022, 286480, 444044, 555055, 888088, 1110110, 1776176, 2220220, 4440440, 8880880]

約数ペア:

[(1, 8880880), (2, 4440440), (4, 2220220), (5, 1776176), (8, 1110110), (10, 888088), (16, 555055), (20, 444044), (31, 286480), (40, 222022), (62, 143240), (80, 111011), (124, 71620), (155, 57296), (248, 35810), (310, 28648), (496, 17905), (620, 14324), (1240, 7162), (2480, 3581)]