86991560

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2341}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 196025400

約数和(自身を除く): 109033840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 2341, 3716, 4645, 4682, 7432, 9290, 9364, 11705, 18580, 18728, 23410, 37160, 46820, 93640, 2174789, 4349578, 8699156, 10873945, 17398312, 21747890, 43495780, 86991560]

約数ペア:

[(1, 86991560), (2, 43495780), (4, 21747890), (5, 17398312), (8, 10873945), (10, 8699156), (20, 4349578), (40, 2174789), (929, 93640), (1858, 46820), (2341, 37160), (3716, 23410), (4645, 18728), (4682, 18580), (7432, 11705), (9290, 9364)]