2500760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 5691600

約数和(自身を除く): 3190840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 619, 808, 1010, 1238, 2020, 2476, 3095, 4040, 4952, 6190, 12380, 24760, 62519, 125038, 250076, 312595, 500152, 625190, 1250380, 2500760]

約数ペア:

[(1, 2500760), (2, 1250380), (4, 625190), (5, 500152), (8, 312595), (10, 250076), (20, 125038), (40, 62519), (101, 24760), (202, 12380), (404, 6190), (505, 4952), (619, 4040), (808, 3095), (1010, 2476), (1238, 2020)]