79983800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30763}}^1$

素因数の和:30792

約数の個数: 48

約数和(自身を含む): 200273640

約数和(自身を除く): 120289840

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, 2600, 30763, 61526, 123052, 153815, 246104, 307630, 399919, 615260, 769075, 799838, 1230520, 1538150, 1599676, 1999595, 3076300, 3199352, 3999190, 6152600, 7998380, 9997975, 15996760, 19995950, 39991900, 79983800]

約数ペア:

[(1, 79983800), (2, 39991900), (4, 19995950), (5, 15996760), (8, 9997975), (10, 7998380), (13, 6152600), (20, 3999190), (25, 3199352), (26, 3076300), (40, 1999595), (50, 1599676), (52, 1538150), (65, 1230520), (100, 799838), (104, 769075), (130, 615260), (200, 399919), (260, 307630), (325, 246104), (520, 153815), (650, 123052), (1300, 61526), (2600, 30763)]