5144080

素因数分解:

$2^4\times 5^1\times {\mathrm{64301}}^1$

素因数の和:64314

約数の個数: 20

約数和(自身を含む): 11960172

約数和(自身を除く): 6816092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64301, 128602, 257204, 321505, 514408, 643010, 1028816, 1286020, 2572040, 5144080]

約数ペア:

[(1, 5144080), (2, 2572040), (4, 1286020), (5, 1028816), (8, 643010), (10, 514408), (16, 321505), (20, 257204), (40, 128602), (80, 64301)]