11881390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28979}}^1$

素因数の和:29027

約数の個数: 16

約数和(自身を含む): 21908880

約数和(自身を除く): 10027490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 28979, 57958, 144895, 289790, 1188139, 2376278, 5940695, 11881390]

約数ペア:

[(1, 11881390), (2, 5940695), (5, 2376278), (10, 1188139), (41, 289790), (82, 144895), (205, 57958), (410, 28979)]