216359320

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{2503}}^1$

素因数の和:4675

約数の個数: 32

約数和(自身を含む): 487228320

約数和(自身を除く): 270869000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 2503, 4322, 5006, 8644, 10012, 10805, 12515, 17288, 20024, 21610, 25030, 43220, 50060, 86440, 100120, 5408983, 10817966, 21635932, 27044915, 43271864, 54089830, 108179660, 216359320]

約数ペア:

[(1, 216359320), (2, 108179660), (4, 54089830), (5, 43271864), (8, 27044915), (10, 21635932), (20, 10817966), (40, 5408983), (2161, 100120), (2503, 86440), (4322, 50060), (5006, 43220), (8644, 25030), (10012, 21610), (10805, 20024), (12515, 17288)]