51469720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4111}}^1$

素因数の和:4435

約数の個数: 32

約数和(自身を含む): 116205120

約数和(自身を除く): 64735400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 4111, 6260, 8222, 12520, 16444, 20555, 32888, 41110, 82220, 164440, 1286743, 2573486, 5146972, 6433715, 10293944, 12867430, 25734860, 51469720]

約数ペア:

[(1, 51469720), (2, 25734860), (4, 12867430), (5, 10293944), (8, 6433715), (10, 5146972), (20, 2573486), (40, 1286743), (313, 164440), (626, 82220), (1252, 41110), (1565, 32888), (2504, 20555), (3130, 16444), (4111, 12520), (6260, 8222)]