16398940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5503}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 34675200

約数和(自身を除く): 18276260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 5503, 11006, 22012, 27515, 55030, 110060, 819947, 1639894, 3279788, 4099735, 8199470, 16398940]

約数ペア:

[(1, 16398940), (2, 8199470), (4, 4099735), (5, 3279788), (10, 1639894), (20, 819947), (149, 110060), (298, 55030), (596, 27515), (745, 22012), (1490, 11006), (2980, 5503)]