158920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 372600

約数和(自身を除く): 213680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 548, 580, 685, 1096, 1160, 1370, 2740, 3973, 5480, 7946, 15892, 19865, 31784, 39730, 79460, 158920]

約数ペア:

[(1, 158920), (2, 79460), (4, 39730), (5, 31784), (8, 19865), (10, 15892), (20, 7946), (29, 5480), (40, 3973), (58, 2740), (116, 1370), (137, 1160), (145, 1096), (232, 685), (274, 580), (290, 548)]