39798760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18773}}^1$

素因数の和:18837

約数の個数: 32

約数和(自身を含む): 91241640

約数和(自身を除く): 51442880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18773, 37546, 75092, 93865, 150184, 187730, 375460, 750920, 994969, 1989938, 3979876, 4974845, 7959752, 9949690, 19899380, 39798760]

約数ペア:

[(1, 39798760), (2, 19899380), (4, 9949690), (5, 7959752), (8, 4974845), (10, 3979876), (20, 1989938), (40, 994969), (53, 750920), (106, 375460), (212, 187730), (265, 150184), (424, 93865), (530, 75092), (1060, 37546), (2120, 18773)]