996819440

素因数分解:

$2^4\times 5^1\times {\mathrm{12460243}}^1$

素因数の和:12460256

約数の個数: 20

約数和(自身を含む): 2317605384

約数和(自身を除く): 1320785944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12460243, 24920486, 49840972, 62301215, 99681944, 124602430, 199363888, 249204860, 498409720, 996819440]

約数ペア:

[(1, 996819440), (2, 498409720), (4, 249204860), (5, 199363888), (8, 124602430), (10, 99681944), (16, 62301215), (20, 49840972), (40, 24920486), (80, 12460243)]