82157500

素因数分解:

$2^2\times 5^4\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 183035160

約数和(自身を除く): 100877660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 125, 236, 250, 295, 500, 557, 590, 625, 1114, 1180, 1250, 1475, 2228, 2500, 2785, 2950, 5570, 5900, 7375, 11140, 13925, 14750, 27850, 29500, 32863, 36875, 55700, 65726, 69625, 73750, 131452, 139250, 147500, 164315, 278500, 328630, 348125, 657260, 696250, 821575, 1392500, 1643150, 3286300, 4107875, 8215750, 16431500, 20539375, 41078750, 82157500]

約数ペア:

[(1, 82157500), (2, 41078750), (4, 20539375), (5, 16431500), (10, 8215750), (20, 4107875), (25, 3286300), (50, 1643150), (59, 1392500), (100, 821575), (118, 696250), (125, 657260), (236, 348125), (250, 328630), (295, 278500), (500, 164315), (557, 147500), (590, 139250), (625, 131452), (1114, 73750), (1180, 69625), (1250, 65726), (1475, 55700), (2228, 36875), (2500, 32863), (2785, 29500), (2950, 27850), (5570, 14750), (5900, 13925), (7375, 11140)]