25826560

素因数分解:

$2^8\times 5^1\times {\mathrm{20177}}^1$

素因数の和:20198

約数の個数: 36

約数和(自身を含む): 61865748

約数和(自身を除く): 36039188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 403540, 645664, 807080, 1291328, 1614160, 2582656, 3228320, 5165312, 6456640, 12913280, 25826560]

約数ペア:

[(1, 25826560), (2, 12913280), (4, 6456640), (5, 5165312), (8, 3228320), (10, 2582656), (16, 1614160), (20, 1291328), (32, 807080), (40, 645664), (64, 403540), (80, 322832), (128, 201770), (160, 161416), (256, 100885), (320, 80708), (640, 40354), (1280, 20177)]