28006840

素因数分解:

$2^3\times 5^1\times {\mathrm{700171}}^1$

素因数の和:700182

約数の個数: 16

約数和(自身を含む): 63015480

約数和(自身を除く): 35008640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 700171, 1400342, 2800684, 3500855, 5601368, 7001710, 14003420, 28006840]

約数ペア:

[(1, 28006840), (2, 14003420), (4, 7001710), (5, 5601368), (8, 3500855), (10, 2800684), (20, 1400342), (40, 700171)]