2159540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5683}}^1$

素因数の和:5711

約数の個数: 24

約数和(自身を含む): 4774560

約数和(自身を除く): 2615020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5683, 11366, 22732, 28415, 56830, 107977, 113660, 215954, 431908, 539885, 1079770, 2159540]

約数ペア:

[(1, 2159540), (2, 1079770), (4, 539885), (5, 431908), (10, 215954), (19, 113660), (20, 107977), (38, 56830), (76, 28415), (95, 22732), (190, 11366), (380, 5683)]