87663320

素因数分解:

$2^3\times 5^1\times {\mathrm{2191583}}^1$

素因数の和:2191594

約数の個数: 16

約数和(自身を含む): 197242560

約数和(自身を除く): 109579240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2191583, 4383166, 8766332, 10957915, 17532664, 21915830, 43831660, 87663320]

約数ペア:

[(1, 87663320), (2, 43831660), (4, 21915830), (5, 17532664), (8, 10957915), (10, 8766332), (20, 4383166), (40, 2191583)]