15652720

素因数分解:

$2^4\times 5^1\times {\mathrm{195659}}^1$

素因数の和:195672

約数の個数: 20

約数和(自身を含む): 36392760

約数和(自身を除く): 20740040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195659, 391318, 782636, 978295, 1565272, 1956590, 3130544, 3913180, 7826360, 15652720]

約数ペア:

[(1, 15652720), (2, 7826360), (4, 3913180), (5, 3130544), (8, 1956590), (10, 1565272), (16, 978295), (20, 782636), (40, 391318), (80, 195659)]