8435620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 18950400

約数和(自身を除く): 10514780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 281, 316, 380, 395, 562, 790, 1124, 1405, 1501, 1580, 2810, 3002, 5339, 5620, 6004, 7505, 10678, 15010, 21356, 22199, 26695, 30020, 44398, 53390, 88796, 106780, 110995, 221990, 421781, 443980, 843562, 1687124, 2108905, 4217810, 8435620]

約数ペア:

[(1, 8435620), (2, 4217810), (4, 2108905), (5, 1687124), (10, 843562), (19, 443980), (20, 421781), (38, 221990), (76, 110995), (79, 106780), (95, 88796), (158, 53390), (190, 44398), (281, 30020), (316, 26695), (380, 22199), (395, 21356), (562, 15010), (790, 10678), (1124, 7505), (1405, 6004), (1501, 5620), (1580, 5339), (2810, 3002)]