25120640

素因数分解:

$2^7\times 5^1\times {\mathrm{39251}}^1$

素因数の和:39270

約数の個数: 32

約数和(自身を含む): 60055560

約数和(自身を除く): 34934920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39251, 78502, 157004, 196255, 314008, 392510, 628016, 785020, 1256032, 1570040, 2512064, 3140080, 5024128, 6280160, 12560320, 25120640]

約数ペア:

[(1, 25120640), (2, 12560320), (4, 6280160), (5, 5024128), (8, 3140080), (10, 2512064), (16, 1570040), (20, 1256032), (32, 785020), (40, 628016), (64, 392510), (80, 314008), (128, 196255), (160, 157004), (320, 78502), (640, 39251)]