2119820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 4508784

約数和(自身を除く): 2388964

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1277, 1660, 2554, 5108, 6385, 12770, 25540, 105991, 211982, 423964, 529955, 1059910, 2119820]

約数ペア:

[(1, 2119820), (2, 1059910), (4, 529955), (5, 423964), (10, 211982), (20, 105991), (83, 25540), (166, 12770), (332, 6385), (415, 5108), (830, 2554), (1277, 1660)]