64556000

素因数分解:

$2^5\times 5^3\times {\mathrm{16139}}^1$

素因数の和:16164

約数の個数: 48

約数和(自身を含む): 158623920

約数和(自身を除く): 94067920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 16139, 32278, 64556, 80695, 129112, 161390, 258224, 322780, 403475, 516448, 645560, 806950, 1291120, 1613900, 2017375, 2582240, 3227800, 4034750, 6455600, 8069500, 12911200, 16139000, 32278000, 64556000]

約数ペア:

[(1, 64556000), (2, 32278000), (4, 16139000), (5, 12911200), (8, 8069500), (10, 6455600), (16, 4034750), (20, 3227800), (25, 2582240), (32, 2017375), (40, 1613900), (50, 1291120), (80, 806950), (100, 645560), (125, 516448), (160, 403475), (200, 322780), (250, 258224), (400, 161390), (500, 129112), (800, 80695), (1000, 64556), (2000, 32278), (4000, 16139)]