169664720

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4831}}^1$

素因数の和:5283

約数の個数: 40

約数和(自身を含む): 395450880

約数和(自身を除く): 225786160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 4390, 4831, 7024, 8780, 9662, 17560, 19324, 24155, 35120, 38648, 48310, 77296, 96620, 193240, 386480, 2120809, 4241618, 8483236, 10604045, 16966472, 21208090, 33932944, 42416180, 84832360, 169664720]

約数ペア:

[(1, 169664720), (2, 84832360), (4, 42416180), (5, 33932944), (8, 21208090), (10, 16966472), (16, 10604045), (20, 8483236), (40, 4241618), (80, 2120809), (439, 386480), (878, 193240), (1756, 96620), (2195, 77296), (3512, 48310), (4390, 38648), (4831, 35120), (7024, 24155), (8780, 19324), (9662, 17560)]