6449620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{829}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 13595400

約数和(自身を除く): 7145780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 829, 1556, 1658, 1945, 3316, 3890, 4145, 7780, 8290, 16580, 322481, 644962, 1289924, 1612405, 3224810, 6449620]

約数ペア:

[(1, 6449620), (2, 3224810), (4, 1612405), (5, 1289924), (10, 644962), (20, 322481), (389, 16580), (778, 8290), (829, 7780), (1556, 4145), (1658, 3890), (1945, 3316)]