8001040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 18802368

約数和(自身を除く): 10801328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 971, 1030, 1648, 1942, 2060, 3884, 4120, 4855, 7768, 8240, 9710, 15536, 19420, 38840, 77680, 100013, 200026, 400052, 500065, 800104, 1000130, 1600208, 2000260, 4000520, 8001040]

約数ペア:

[(1, 8001040), (2, 4000520), (4, 2000260), (5, 1600208), (8, 1000130), (10, 800104), (16, 500065), (20, 400052), (40, 200026), (80, 100013), (103, 77680), (206, 38840), (412, 19420), (515, 15536), (824, 9710), (971, 8240), (1030, 7768), (1648, 4855), (1942, 4120), (2060, 3884)]