25296520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9439}}^1$

素因数の和:9517

約数の個数: 32

約数和(自身を含む): 57772800

約数和(自身を除く): 32476280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9439, 18878, 37756, 47195, 75512, 94390, 188780, 377560, 632413, 1264826, 2529652, 3162065, 5059304, 6324130, 12648260, 25296520]

約数ペア:

[(1, 25296520), (2, 12648260), (4, 6324130), (5, 5059304), (8, 3162065), (10, 2529652), (20, 1264826), (40, 632413), (67, 377560), (134, 188780), (268, 94390), (335, 75512), (536, 47195), (670, 37756), (1340, 18878), (2680, 9439)]