13004720

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1253

約数の個数: 40

約数和(自身を含む): 30466800

約数和(自身を除く): 17462080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1091, 1192, 1490, 2182, 2384, 2980, 4364, 5455, 5960, 8728, 10910, 11920, 17456, 21820, 43640, 87280, 162559, 325118, 650236, 812795, 1300472, 1625590, 2600944, 3251180, 6502360, 13004720]

約数ペア:

[(1, 13004720), (2, 6502360), (4, 3251180), (5, 2600944), (8, 1625590), (10, 1300472), (16, 812795), (20, 650236), (40, 325118), (80, 162559), (149, 87280), (298, 43640), (596, 21820), (745, 17456), (1091, 11920), (1192, 10910), (1490, 8728), (2182, 5960), (2384, 5455), (2980, 4364)]