25591840640

素因数分解:

$2^7\times 5^1\times {\mathrm{39987251}}^1$

素因数の和:39987270

約数の個数: 32

約数和(自身を含む): 61180495560

約数和(自身を除く): 35588654920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39987251, 79974502, 159949004, 199936255, 319898008, 399872510, 639796016, 799745020, 1279592032, 1599490040, 2559184064, 3198980080, 5118368128, 6397960160, 12795920320, 25591840640]

約数ペア:

[(1, 25591840640), (2, 12795920320), (4, 6397960160), (5, 5118368128), (8, 3198980080), (10, 2559184064), (16, 1599490040), (20, 1279592032), (32, 799745020), (40, 639796016), (64, 399872510), (80, 319898008), (128, 199936255), (160, 159949004), (320, 79974502), (640, 39987251)]