23287720

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1009}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 52540200

約数和(自身を除く): 29252480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1009, 1154, 2018, 2308, 2885, 4036, 4616, 5045, 5770, 8072, 10090, 11540, 20180, 23080, 40360, 582193, 1164386, 2328772, 2910965, 4657544, 5821930, 11643860, 23287720]

約数ペア:

[(1, 23287720), (2, 11643860), (4, 5821930), (5, 4657544), (8, 2910965), (10, 2328772), (20, 1164386), (40, 582193), (577, 40360), (1009, 23080), (1154, 20180), (2018, 11540), (2308, 10090), (2885, 8072), (4036, 5770), (4616, 5045)]