2176820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 4720128

約数和(自身を除く): 2543308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3511, 7022, 14044, 17555, 35110, 70220, 108841, 217682, 435364, 544205, 1088410, 2176820]

約数ペア:

[(1, 2176820), (2, 1088410), (4, 544205), (5, 435364), (10, 217682), (20, 108841), (31, 70220), (62, 35110), (124, 17555), (155, 14044), (310, 7022), (620, 3511)]