31250020

素因数分解:

$2^2\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1301}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 65730168

約数和(自身を除く): 34480148

約数列:

[1, 2, 4, 5, 10, 20, 1201, 1301, 2402, 2602, 4804, 5204, 6005, 6505, 12010, 13010, 24020, 26020, 1562501, 3125002, 6250004, 7812505, 15625010, 31250020]

約数ペア:

[(1, 31250020), (2, 15625010), (4, 7812505), (5, 6250004), (10, 3125002), (20, 1562501), (1201, 26020), (1301, 24020), (2402, 13010), (2602, 12010), (4804, 6505), (5204, 6005)]