663001250

素因数分解:

$2^1\times 5^4\times {\mathrm{530401}}^1$

素因数の和:530423

約数の個数: 20

約数和(自身を含む): 1242731886

約数和(自身を除く): 579730636

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 530401, 1060802, 2652005, 5304010, 13260025, 26520050, 66300125, 132600250, 331500625, 663001250]

約数ペア:

[(1, 663001250), (2, 331500625), (5, 132600250), (10, 66300125), (25, 26520050), (50, 13260025), (125, 5304010), (250, 2652005), (625, 1060802), (1250, 530401)]