81895600

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3863}}^1$

素因数の和:3934

約数の個数: 60

約数和(自身を含む): 200518416

約数和(自身を除く): 118622816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 3863, 4240, 5300, 7726, 10600, 15452, 19315, 21200, 30904, 38630, 61808, 77260, 96575, 154520, 193150, 204739, 309040, 386300, 409478, 772600, 818956, 1023695, 1545200, 1637912, 2047390, 3275824, 4094780, 5118475, 8189560, 10236950, 16379120, 20473900, 40947800, 81895600]

約数ペア:

[(1, 81895600), (2, 40947800), (4, 20473900), (5, 16379120), (8, 10236950), (10, 8189560), (16, 5118475), (20, 4094780), (25, 3275824), (40, 2047390), (50, 1637912), (53, 1545200), (80, 1023695), (100, 818956), (106, 772600), (200, 409478), (212, 386300), (265, 309040), (400, 204739), (424, 193150), (530, 154520), (848, 96575), (1060, 77260), (1325, 61808), (2120, 38630), (2650, 30904), (3863, 21200), (4240, 19315), (5300, 15452), (7726, 10600)]