76812040

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3911}}^1$

素因数の和:4413

約数の個数: 32

約数和(自身を含む): 173223360

約数和(自身を除く): 96411320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3911, 3928, 4910, 7822, 9820, 15644, 19555, 19640, 31288, 39110, 78220, 156440, 1920301, 3840602, 7681204, 9601505, 15362408, 19203010, 38406020, 76812040]

約数ペア:

[(1, 76812040), (2, 38406020), (4, 19203010), (5, 15362408), (8, 9601505), (10, 7681204), (20, 3840602), (40, 1920301), (491, 156440), (982, 78220), (1964, 39110), (2455, 31288), (3911, 19640), (3928, 19555), (4910, 15644), (7822, 9820)]