9798440

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 22135680

約数和(自身を除く): 12337240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 503, 974, 1006, 1948, 2012, 2435, 2515, 3896, 4024, 4870, 5030, 9740, 10060, 19480, 20120, 244961, 489922, 979844, 1224805, 1959688, 2449610, 4899220, 9798440]

約数ペア:

[(1, 9798440), (2, 4899220), (4, 2449610), (5, 1959688), (8, 1224805), (10, 979844), (20, 489922), (40, 244961), (487, 20120), (503, 19480), (974, 10060), (1006, 9740), (1948, 5030), (2012, 4870), (2435, 4024), (2515, 3896)]