25589120

素因数分解:

$2^7\times 5^1\times {\mathrm{39983}}^1$

素因数の和:40002

約数の個数: 32

約数和(自身を含む): 61175520

約数和(自身を除く): 35586400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39983, 79966, 159932, 199915, 319864, 399830, 639728, 799660, 1279456, 1599320, 2558912, 3198640, 5117824, 6397280, 12794560, 25589120]

約数ペア:

[(1, 25589120), (2, 12794560), (4, 6397280), (5, 5117824), (8, 3198640), (10, 2558912), (16, 1599320), (20, 1279456), (32, 799660), (40, 639728), (64, 399830), (80, 319864), (128, 199915), (160, 159932), (320, 79966), (640, 39983)]