12142720

素因数分解:

$2^7\times 5^1\times {\mathrm{18973}}^1$

素因数の和:18992

約数の個数: 32

約数和(自身を含む): 29030220

約数和(自身を除く): 16887500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 18973, 37946, 75892, 94865, 151784, 189730, 303568, 379460, 607136, 758920, 1214272, 1517840, 2428544, 3035680, 6071360, 12142720]

約数ペア:

[(1, 12142720), (2, 6071360), (4, 3035680), (5, 2428544), (8, 1517840), (10, 1214272), (16, 758920), (20, 607136), (32, 379460), (40, 303568), (64, 189730), (80, 151784), (128, 94865), (160, 75892), (320, 37946), (640, 18973)]