87612880

素因数分解:

$2^4\times 5^1\times {\mathrm{1095161}}^1$

素因数の和:1095174

約数の個数: 20

約数和(自身を含む): 203700132

約数和(自身を除く): 116087252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095161, 2190322, 4380644, 5475805, 8761288, 10951610, 17522576, 21903220, 43806440, 87612880]

約数ペア:

[(1, 87612880), (2, 43806440), (4, 21903220), (5, 17522576), (8, 10951610), (10, 8761288), (16, 5475805), (20, 4380644), (40, 2190322), (80, 1095161)]