12950920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 29304000

約数和(自身を除く): 16353080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1627, 1990, 3254, 3980, 6508, 7960, 8135, 13016, 16270, 32540, 65080, 323773, 647546, 1295092, 1618865, 2590184, 3237730, 6475460, 12950920]

約数ペア:

[(1, 12950920), (2, 6475460), (4, 3237730), (5, 2590184), (8, 1618865), (10, 1295092), (20, 647546), (40, 323773), (199, 65080), (398, 32540), (796, 16270), (995, 13016), (1592, 8135), (1627, 7960), (1990, 6508), (3254, 3980)]