72632720

素因数分解:

$2^4\times 5^1\times {\mathrm{907909}}^1$

素因数の和:907922

約数の個数: 20

約数和(自身を含む): 168871260

約数和(自身を除く): 96238540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907909, 1815818, 3631636, 4539545, 7263272, 9079090, 14526544, 18158180, 36316360, 72632720]

約数ペア:

[(1, 72632720), (2, 36316360), (4, 18158180), (5, 14526544), (8, 9079090), (10, 7263272), (16, 4539545), (20, 3631636), (40, 1815818), (80, 907909)]