31339540

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1553}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 65920680

約数和(自身を除く): 34581140

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1553, 2018, 3106, 4036, 5045, 6212, 7765, 10090, 15530, 20180, 31060, 1566977, 3133954, 6267908, 7834885, 15669770, 31339540]

約数ペア:

[(1, 31339540), (2, 15669770), (4, 7834885), (5, 6267908), (10, 3133954), (20, 1566977), (1009, 31060), (1553, 20180), (2018, 15530), (3106, 10090), (4036, 7765), (5045, 6212)]