6421880

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 14545440

約数和(自身を除く): 8123560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 887, 905, 1448, 1774, 1810, 3548, 3620, 4435, 7096, 7240, 8870, 17740, 35480, 160547, 321094, 642188, 802735, 1284376, 1605470, 3210940, 6421880]

約数ペア:

[(1, 6421880), (2, 3210940), (4, 1605470), (5, 1284376), (8, 802735), (10, 642188), (20, 321094), (40, 160547), (181, 35480), (362, 17740), (724, 8870), (887, 7240), (905, 7096), (1448, 4435), (1774, 3620), (1810, 3548)]