16540760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6779}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 37832400

約数和(自身を除く): 21291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6779, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 413519, 827038, 1654076, 2067595, 3308152, 4135190, 8270380, 16540760]

約数ペア:

[(1, 16540760), (2, 8270380), (4, 4135190), (5, 3308152), (8, 2067595), (10, 1654076), (20, 827038), (40, 413519), (61, 271160), (122, 135580), (244, 67790), (305, 54232), (488, 33895), (610, 27116), (1220, 13558), (2440, 6779)]