7845680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1085

約数の個数: 40

約数和(自身を含む): 18440784

約数和(自身を除く): 10595104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 971, 1010, 1616, 1942, 2020, 3884, 4040, 4855, 7768, 8080, 9710, 15536, 19420, 38840, 77680, 98071, 196142, 392284, 490355, 784568, 980710, 1569136, 1961420, 3922840, 7845680]

約数ペア:

[(1, 7845680), (2, 3922840), (4, 1961420), (5, 1569136), (8, 980710), (10, 784568), (16, 490355), (20, 392284), (40, 196142), (80, 98071), (101, 77680), (202, 38840), (404, 19420), (505, 15536), (808, 9710), (971, 8080), (1010, 7768), (1616, 4855), (1942, 4040), (2020, 3884)]