80139820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2099}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 97671380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1909, 2099, 3818, 4198, 7636, 8396, 9545, 10495, 19090, 20990, 38180, 41980, 48277, 96554, 174217, 193108, 241385, 348434, 482770, 696868, 871085, 965540, 1742170, 3484340, 4006991, 8013982, 16027964, 20034955, 40069910, 80139820]

約数ペア:

[(1, 80139820), (2, 40069910), (4, 20034955), (5, 16027964), (10, 8013982), (20, 4006991), (23, 3484340), (46, 1742170), (83, 965540), (92, 871085), (115, 696868), (166, 482770), (230, 348434), (332, 241385), (415, 193108), (460, 174217), (830, 96554), (1660, 48277), (1909, 41980), (2099, 38180), (3818, 20990), (4198, 19090), (7636, 10495), (8396, 9545)]