12240520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2971}}^1$

素因数の和:3085

約数の個数: 32

約数和(自身を含む): 27817920

約数和(自身を除く): 15577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2971, 4120, 5942, 11884, 14855, 23768, 29710, 59420, 118840, 306013, 612026, 1224052, 1530065, 2448104, 3060130, 6120260, 12240520]

約数ペア:

[(1, 12240520), (2, 6120260), (4, 3060130), (5, 2448104), (8, 1530065), (10, 1224052), (20, 612026), (40, 306013), (103, 118840), (206, 59420), (412, 29710), (515, 23768), (824, 14855), (1030, 11884), (2060, 5942), (2971, 4120)]