75020020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 166779648

約数和(自身を除く): 91759628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 2297, 3266, 4594, 6532, 8165, 9188, 11485, 16330, 22970, 32660, 45940, 52831, 105662, 163087, 211324, 264155, 326174, 528310, 652348, 815435, 1056620, 1630870, 3261740, 3751001, 7502002, 15004004, 18755005, 37510010, 75020020]

約数ペア:

[(1, 75020020), (2, 37510010), (4, 18755005), (5, 15004004), (10, 7502002), (20, 3751001), (23, 3261740), (46, 1630870), (71, 1056620), (92, 815435), (115, 652348), (142, 528310), (230, 326174), (284, 264155), (355, 211324), (460, 163087), (710, 105662), (1420, 52831), (1633, 45940), (2297, 32660), (3266, 22970), (4594, 16330), (6532, 11485), (8165, 9188)]