2018966960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{586909}}^1$

素因数の和:586965

約数の個数: 40

約数和(自身を含む): 4803271440

約数和(自身を除く): 2784304480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 586909, 1173818, 2347636, 2934545, 4695272, 5869090, 9390544, 11738180, 23476360, 25237087, 46952720, 50474174, 100948348, 126185435, 201896696, 252370870, 403793392, 504741740, 1009483480, 2018966960]

約数ペア:

[(1, 2018966960), (2, 1009483480), (4, 504741740), (5, 403793392), (8, 252370870), (10, 201896696), (16, 126185435), (20, 100948348), (40, 50474174), (43, 46952720), (80, 25237087), (86, 23476360), (172, 11738180), (215, 9390544), (344, 5869090), (430, 4695272), (688, 2934545), (860, 2347636), (1720, 1173818), (3440, 586909)]