39438940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32327}}^1$

素因数の和:32397

約数の個数: 24

約数和(自身を含む): 84182112

約数和(自身を除く): 44743172

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 32327, 64654, 129308, 161635, 323270, 646540, 1971947, 3943894, 7887788, 9859735, 19719470, 39438940]

約数ペア:

[(1, 39438940), (2, 19719470), (4, 9859735), (5, 7887788), (10, 3943894), (20, 1971947), (61, 646540), (122, 323270), (244, 161635), (305, 129308), (610, 64654), (1220, 32327)]