213737320

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{9491}}^1$

素因数の和:10065

約数の個数: 32

約数和(自身を含む): 481813920

約数和(自身を除く): 268076600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 9491, 11260, 18982, 22520, 37964, 47455, 75928, 94910, 189820, 379640, 5343433, 10686866, 21373732, 26717165, 42747464, 53434330, 106868660, 213737320]

約数ペア:

[(1, 213737320), (2, 106868660), (4, 53434330), (5, 42747464), (8, 26717165), (10, 21373732), (20, 10686866), (40, 5343433), (563, 379640), (1126, 189820), (2252, 94910), (2815, 75928), (4504, 47455), (5630, 37964), (9491, 22520), (11260, 18982)]