25280440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9433}}^1$

素因数の和:9511

約数の個数: 32

約数和(自身を含む): 57736080

約数和(自身を除く): 32455640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9433, 18866, 37732, 47165, 75464, 94330, 188660, 377320, 632011, 1264022, 2528044, 3160055, 5056088, 6320110, 12640220, 25280440]

約数ペア:

[(1, 25280440), (2, 12640220), (4, 6320110), (5, 5056088), (8, 3160055), (10, 2528044), (20, 1264022), (40, 632011), (67, 377320), (134, 188660), (268, 94330), (335, 75464), (536, 47165), (670, 37732), (1340, 18866), (2680, 9433)]