16390940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26437}}^1$

素因数の和:26477

約数の個数: 24

約数和(自身を含む): 35532672

約数和(自身を除く): 19141732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26437, 52874, 105748, 132185, 264370, 528740, 819547, 1639094, 3278188, 4097735, 8195470, 16390940]

約数ペア:

[(1, 16390940), (2, 8195470), (4, 4097735), (5, 3278188), (10, 1639094), (20, 819547), (31, 528740), (62, 264370), (124, 132185), (155, 105748), (310, 52874), (620, 26437)]