86501240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308933}}^1$

素因数の和:308951

約数の個数: 32

約数和(自身を含む): 222432480

約数和(自身を除く): 135931240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308933, 617866, 1235732, 1544665, 2162531, 2471464, 3089330, 4325062, 6178660, 8650124, 10812655, 12357320, 17300248, 21625310, 43250620, 86501240]

約数ペア:

[(1, 86501240), (2, 43250620), (4, 21625310), (5, 17300248), (7, 12357320), (8, 10812655), (10, 8650124), (14, 6178660), (20, 4325062), (28, 3089330), (35, 2471464), (40, 2162531), (56, 1544665), (70, 1235732), (140, 617866), (280, 308933)]