7786640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 18266688

約数和(自身を除く): 10480048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 743, 1048, 1310, 1486, 2096, 2620, 2972, 3715, 5240, 5944, 7430, 10480, 11888, 14860, 29720, 59440, 97333, 194666, 389332, 486665, 778664, 973330, 1557328, 1946660, 3893320, 7786640]

約数ペア:

[(1, 7786640), (2, 3893320), (4, 1946660), (5, 1557328), (8, 973330), (10, 778664), (16, 486665), (20, 389332), (40, 194666), (80, 97333), (131, 59440), (262, 29720), (524, 14860), (655, 11888), (743, 10480), (1048, 7430), (1310, 5944), (1486, 5240), (2096, 3715), (2620, 2972)]