56656760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19403}}^1$

素因数の和:19487

約数の個数: 32

約数和(自身を含む): 129230640

約数和(自身を除く): 72573880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 19403, 38806, 77612, 97015, 155224, 194030, 388060, 776120, 1416419, 2832838, 5665676, 7082095, 11331352, 14164190, 28328380, 56656760]

約数ペア:

[(1, 56656760), (2, 28328380), (4, 14164190), (5, 11331352), (8, 7082095), (10, 5665676), (20, 2832838), (40, 1416419), (73, 776120), (146, 388060), (292, 194030), (365, 155224), (584, 97015), (730, 77612), (1460, 38806), (2920, 19403)]