4072720

素因数分解:

$2^4\times 5^1\times {\mathrm{50909}}^1$

素因数の和:50922

約数の個数: 20

約数和(自身を含む): 9469260

約数和(自身を除く): 5396540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50909, 101818, 203636, 254545, 407272, 509090, 814544, 1018180, 2036360, 4072720]

約数ペア:

[(1, 4072720), (2, 2036360), (4, 1018180), (5, 814544), (8, 509090), (10, 407272), (16, 254545), (20, 203636), (40, 101818), (80, 50909)]