30128720

素因数分解:

$2^4\times 5^1\times {\mathrm{376609}}^1$

素因数の和:376622

約数の個数: 20

約数和(自身を含む): 70049460

約数和(自身を除く): 39920740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 376609, 753218, 1506436, 1883045, 3012872, 3766090, 6025744, 7532180, 15064360, 30128720]

約数ペア:

[(1, 30128720), (2, 15064360), (4, 7532180), (5, 6025744), (8, 3766090), (10, 3012872), (16, 1883045), (20, 1506436), (40, 753218), (80, 376609)]