30808720

素因数分解:

$2^4\times 5^1\times {\mathrm{385109}}^1$

素因数の和:385122

約数の個数: 20

約数和(自身を含む): 71630460

約数和(自身を除く): 40821740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385109, 770218, 1540436, 1925545, 3080872, 3851090, 6161744, 7702180, 15404360, 30808720]

約数ペア:

[(1, 30808720), (2, 15404360), (4, 7702180), (5, 6161744), (8, 3851090), (10, 3080872), (16, 1925545), (20, 1540436), (40, 770218), (80, 385109)]