25799680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5039}}^1$

素因数の和:5064

約数の個数: 44

約数和(自身を含む): 61901280

約数和(自身を除く): 36101600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5039, 5120, 10078, 20156, 25195, 40312, 50390, 80624, 100780, 161248, 201560, 322496, 403120, 644992, 806240, 1289984, 1612480, 2579968, 3224960, 5159936, 6449920, 12899840, 25799680]

約数ペア:

[(1, 25799680), (2, 12899840), (4, 6449920), (5, 5159936), (8, 3224960), (10, 2579968), (16, 1612480), (20, 1289984), (32, 806240), (40, 644992), (64, 403120), (80, 322496), (128, 201560), (160, 161248), (256, 100780), (320, 80624), (512, 50390), (640, 40312), (1024, 25195), (1280, 20156), (2560, 10078), (5039, 5120)]