87929320

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2671}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 198155520

約数和(自身を除く): 110226200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2671, 3292, 4115, 5342, 6584, 8230, 10684, 13355, 16460, 21368, 26710, 32920, 53420, 106840, 2198233, 4396466, 8792932, 10991165, 17585864, 21982330, 43964660, 87929320]

約数ペア:

[(1, 87929320), (2, 43964660), (4, 21982330), (5, 17585864), (8, 10991165), (10, 8792932), (20, 4396466), (40, 2198233), (823, 106840), (1646, 53420), (2671, 32920), (3292, 26710), (4115, 21368), (5342, 16460), (6584, 13355), (8230, 10684)]