31190900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23993}}^1$

素因数の和:24020

約数の個数: 36

約数和(自身を含む): 72893772

約数和(自身を除く): 41702872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 23993, 47986, 95972, 119965, 239930, 311909, 479860, 599825, 623818, 1199650, 1247636, 1559545, 2399300, 3119090, 6238180, 7797725, 15595450, 31190900]

約数ペア:

[(1, 31190900), (2, 15595450), (4, 7797725), (5, 6238180), (10, 3119090), (13, 2399300), (20, 1559545), (25, 1247636), (26, 1199650), (50, 623818), (52, 599825), (65, 479860), (100, 311909), (130, 239930), (260, 119965), (325, 95972), (650, 47986), (1300, 23993)]