52820000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 120

約数和(自身を含む): 137768400

約数和(自身を除く): 84948400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 139, 152, 160, 190, 200, 250, 278, 304, 380, 400, 475, 500, 556, 608, 625, 695, 760, 800, 950, 1000, 1112, 1250, 1390, 1520, 1900, 2000, 2224, 2375, 2500, 2641, 2780, 3040, 3475, 3800, 4000, 4448, 4750, 5000, 5282, 5560, 6950, 7600, 9500, 10000, 10564, 11120, 11875, 13205, 13900, 15200, 17375, 19000, 20000, 21128, 22240, 23750, 26410, 27800, 34750, 38000, 42256, 47500, 52820, 55600, 66025, 69500, 76000, 84512, 86875, 95000, 105640, 111200, 132050, 139000, 173750, 190000, 211280, 264100, 278000, 330125, 347500, 380000, 422560, 528200, 556000, 660250, 695000, 1056400, 1320500, 1390000, 1650625, 2112800, 2641000, 2780000, 3301250, 5282000, 6602500, 10564000, 13205000, 26410000, 52820000]

約数ペア:

[(1, 52820000), (2, 26410000), (4, 13205000), (5, 10564000), (8, 6602500), (10, 5282000), (16, 3301250), (19, 2780000), (20, 2641000), (25, 2112800), (32, 1650625), (38, 1390000), (40, 1320500), (50, 1056400), (76, 695000), (80, 660250), (95, 556000), (100, 528200), (125, 422560), (139, 380000), (152, 347500), (160, 330125), (190, 278000), (200, 264100), (250, 211280), (278, 190000), (304, 173750), (380, 139000), (400, 132050), (475, 111200), (500, 105640), (556, 95000), (608, 86875), (625, 84512), (695, 76000), (760, 69500), (800, 66025), (950, 55600), (1000, 52820), (1112, 47500), (1250, 42256), (1390, 38000), (1520, 34750), (1900, 27800), (2000, 26410), (2224, 23750), (2375, 22240), (2500, 21128), (2641, 20000), (2780, 19000), (3040, 17375), (3475, 15200), (3800, 13900), (4000, 13205), (4448, 11875), (4750, 11120), (5000, 10564), (5282, 10000), (5560, 9500), (6950, 7600)]