5181800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 12980940

約数和(自身を除く): 7799140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1993, 2600, 3986, 7972, 9965, 15944, 19930, 25909, 39860, 49825, 51818, 79720, 99650, 103636, 129545, 199300, 207272, 259090, 398600, 518180, 647725, 1036360, 1295450, 2590900, 5181800]

約数ペア:

[(1, 5181800), (2, 2590900), (4, 1295450), (5, 1036360), (8, 647725), (10, 518180), (13, 398600), (20, 259090), (25, 207272), (26, 199300), (40, 129545), (50, 103636), (52, 99650), (65, 79720), (100, 51818), (104, 49825), (130, 39860), (200, 25909), (260, 19930), (325, 15944), (520, 9965), (650, 7972), (1300, 3986), (1993, 2600)]