39991900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30763}}^1$

素因数の和:30790

約数の個数: 36

約数和(自身を含む): 93461032

約数和(自身を除く): 53469132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 30763, 61526, 123052, 153815, 307630, 399919, 615260, 769075, 799838, 1538150, 1599676, 1999595, 3076300, 3999190, 7998380, 9997975, 19995950, 39991900]

約数ペア:

[(1, 39991900), (2, 19995950), (4, 9997975), (5, 7998380), (10, 3999190), (13, 3076300), (20, 1999595), (25, 1599676), (26, 1538150), (50, 799838), (52, 769075), (65, 615260), (100, 399919), (130, 307630), (260, 153815), (325, 123052), (650, 61526), (1300, 30763)]