4120240

素因数分解:

$2^4\times 5^1\times {\mathrm{51503}}^1$

素因数の和:51516

約数の個数: 20

約数和(自身を含む): 9579744

約数和(自身を除く): 5459504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51503, 103006, 206012, 257515, 412024, 515030, 824048, 1030060, 2060120, 4120240]

約数ペア:

[(1, 4120240), (2, 2060120), (4, 1030060), (5, 824048), (8, 515030), (10, 412024), (16, 257515), (20, 206012), (40, 103006), (80, 51503)]