4815220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3391}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 10257408

約数和(自身を除く): 5442188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3391, 6782, 13564, 16955, 33910, 67820, 240761, 481522, 963044, 1203805, 2407610, 4815220]

約数ペア:

[(1, 4815220), (2, 2407610), (4, 1203805), (5, 963044), (10, 481522), (20, 240761), (71, 67820), (142, 33910), (284, 16955), (355, 13564), (710, 6782), (1420, 3391)]