16399120

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 21902000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 571, 718, 1142, 1436, 1795, 2284, 2855, 2872, 3590, 4568, 5710, 5744, 7180, 9136, 11420, 14360, 22840, 28720, 45680, 204989, 409978, 819956, 1024945, 1639912, 2049890, 3279824, 4099780, 8199560, 16399120]

約数ペア:

[(1, 16399120), (2, 8199560), (4, 4099780), (5, 3279824), (8, 2049890), (10, 1639912), (16, 1024945), (20, 819956), (40, 409978), (80, 204989), (359, 45680), (571, 28720), (718, 22840), (1142, 14360), (1436, 11420), (1795, 9136), (2284, 7180), (2855, 5744), (2872, 5710), (3590, 4568)]