51182000

素因数分解:

$2^4\times 5^3\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 125310432

約数和(自身を除く): 74128432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 157, 163, 200, 250, 314, 326, 400, 500, 628, 652, 785, 815, 1000, 1256, 1304, 1570, 1630, 2000, 2512, 2608, 3140, 3260, 3925, 4075, 6280, 6520, 7850, 8150, 12560, 13040, 15700, 16300, 19625, 20375, 25591, 31400, 32600, 39250, 40750, 51182, 62800, 65200, 78500, 81500, 102364, 127955, 157000, 163000, 204728, 255910, 314000, 326000, 409456, 511820, 639775, 1023640, 1279550, 2047280, 2559100, 3198875, 5118200, 6397750, 10236400, 12795500, 25591000, 51182000]

約数ペア:

[(1, 51182000), (2, 25591000), (4, 12795500), (5, 10236400), (8, 6397750), (10, 5118200), (16, 3198875), (20, 2559100), (25, 2047280), (40, 1279550), (50, 1023640), (80, 639775), (100, 511820), (125, 409456), (157, 326000), (163, 314000), (200, 255910), (250, 204728), (314, 163000), (326, 157000), (400, 127955), (500, 102364), (628, 81500), (652, 78500), (785, 65200), (815, 62800), (1000, 51182), (1256, 40750), (1304, 39250), (1570, 32600), (1630, 31400), (2000, 25591), (2512, 20375), (2608, 19625), (3140, 16300), (3260, 15700), (3925, 13040), (4075, 12560), (6280, 8150), (6520, 7850)]