172600240

素因数分解:

$2^4\times 5^1\times {\mathrm{2157503}}^1$

素因数の和:2157516

約数の個数: 20

約数和(自身を含む): 401295744

約数和(自身を除く): 228695504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2157503, 4315006, 8630012, 10787515, 17260024, 21575030, 34520048, 43150060, 86300120, 172600240]

約数ペア:

[(1, 172600240), (2, 86300120), (4, 43150060), (5, 34520048), (8, 21575030), (10, 17260024), (16, 10787515), (20, 8630012), (40, 4315006), (80, 2157503)]