262600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 664020

約数和(自身を除く): 401420

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 101, 104, 130, 200, 202, 260, 325, 404, 505, 520, 650, 808, 1010, 1300, 1313, 2020, 2525, 2600, 2626, 4040, 5050, 5252, 6565, 10100, 10504, 13130, 20200, 26260, 32825, 52520, 65650, 131300, 262600]

約数ペア:

[(1, 262600), (2, 131300), (4, 65650), (5, 52520), (8, 32825), (10, 26260), (13, 20200), (20, 13130), (25, 10504), (26, 10100), (40, 6565), (50, 5252), (52, 5050), (65, 4040), (100, 2626), (101, 2600), (104, 2525), (130, 2020), (200, 1313), (202, 1300), (260, 1010), (325, 808), (404, 650), (505, 520)]