86867840

素因数分解:

$2^7\times 5^1\times {\mathrm{135731}}^1$

素因数の和:135750

約数の個数: 32

約数和(自身を含む): 207669960

約数和(自身を除く): 120802120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 135731, 271462, 542924, 678655, 1085848, 1357310, 2171696, 2714620, 4343392, 5429240, 8686784, 10858480, 17373568, 21716960, 43433920, 86867840]

約数ペア:

[(1, 86867840), (2, 43433920), (4, 21716960), (5, 17373568), (8, 10858480), (10, 8686784), (16, 5429240), (20, 4343392), (32, 2714620), (40, 2171696), (64, 1357310), (80, 1085848), (128, 678655), (160, 542924), (320, 271462), (640, 135731)]