260200

素因数分解:

$2^3\times 5^2\times {\mathrm{1301}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 605430

約数和(自身を除く): 345230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1301, 2602, 5204, 6505, 10408, 13010, 26020, 32525, 52040, 65050, 130100, 260200]

約数ペア:

[(1, 260200), (2, 130100), (4, 65050), (5, 52040), (8, 32525), (10, 26020), (20, 13010), (25, 10408), (40, 6505), (50, 5204), (100, 2602), (200, 1301)]