25205120

素因数分解:

$2^7\times 5^1\times {\mathrm{39383}}^1$

素因数の和:39402

約数の個数: 32

約数和(自身を含む): 60257520

約数和(自身を除く): 35052400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39383, 78766, 157532, 196915, 315064, 393830, 630128, 787660, 1260256, 1575320, 2520512, 3150640, 5041024, 6301280, 12602560, 25205120]

約数ペア:

[(1, 25205120), (2, 12602560), (4, 6301280), (5, 5041024), (8, 3150640), (10, 2520512), (16, 1575320), (20, 1260256), (32, 787660), (40, 630128), (64, 393830), (80, 315064), (128, 196915), (160, 157532), (320, 78766), (640, 39383)]