6519950975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{821}}^1\times {\mathrm{4021}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 8199088320

約数和(自身を除く): 1679137345

約数列:

[1, 5, 25, 79, 395, 821, 1975, 4021, 4105, 20105, 20525, 64859, 100525, 317659, 324295, 1588295, 1621475, 3301241, 7941475, 16506205, 82531025, 260798039, 1303990195, 6519950975]

約数ペア:

[(1, 6519950975), (5, 1303990195), (25, 260798039), (79, 82531025), (395, 16506205), (821, 7941475), (1975, 3301241), (4021, 1621475), (4105, 1588295), (20105, 324295), (20525, 317659), (64859, 100525)]