4280240

素因数分解:

$2^4\times 5^1\times {\mathrm{53503}}^1$

素因数の和:53516

約数の個数: 20

約数和(自身を含む): 9951744

約数和(自身を除く): 5671504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 53503, 107006, 214012, 267515, 428024, 535030, 856048, 1070060, 2140120, 4280240]

約数ペア:

[(1, 4280240), (2, 2140120), (4, 1070060), (5, 856048), (8, 535030), (10, 428024), (16, 267515), (20, 214012), (40, 107006), (80, 53503)]