2471240

素因数分解:

$2^3\times 5^1\times {\mathrm{61781}}^1$

素因数の和:61792

約数の個数: 16

約数和(自身を含む): 5560380

約数和(自身を除く): 3089140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61781, 123562, 247124, 308905, 494248, 617810, 1235620, 2471240]

約数ペア:

[(1, 2471240), (2, 1235620), (4, 617810), (5, 494248), (8, 308905), (10, 247124), (20, 123562), (40, 61781)]