19520320

素因数分解:

$2^6\times 5^1\times {\mathrm{61001}}^1$

素因数の和:61018

約数の個数: 28

約数和(自身を含む): 46483524

約数和(自身を除く): 26963204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61001, 122002, 244004, 305005, 488008, 610010, 976016, 1220020, 1952032, 2440040, 3904064, 4880080, 9760160, 19520320]

約数ペア:

[(1, 19520320), (2, 9760160), (4, 4880080), (5, 3904064), (8, 2440040), (10, 1952032), (16, 1220020), (20, 976016), (32, 610010), (40, 488008), (64, 305005), (80, 244004), (160, 122002), (320, 61001)]