13205000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 32802000

約数和(自身を除く): 19597000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 139, 152, 190, 200, 250, 278, 380, 475, 500, 556, 625, 695, 760, 950, 1000, 1112, 1250, 1390, 1900, 2375, 2500, 2641, 2780, 3475, 3800, 4750, 5000, 5282, 5560, 6950, 9500, 10564, 11875, 13205, 13900, 17375, 19000, 21128, 23750, 26410, 27800, 34750, 47500, 52820, 66025, 69500, 86875, 95000, 105640, 132050, 139000, 173750, 264100, 330125, 347500, 528200, 660250, 695000, 1320500, 1650625, 2641000, 3301250, 6602500, 13205000]

約数ペア:

[(1, 13205000), (2, 6602500), (4, 3301250), (5, 2641000), (8, 1650625), (10, 1320500), (19, 695000), (20, 660250), (25, 528200), (38, 347500), (40, 330125), (50, 264100), (76, 173750), (95, 139000), (100, 132050), (125, 105640), (139, 95000), (152, 86875), (190, 69500), (200, 66025), (250, 52820), (278, 47500), (380, 34750), (475, 27800), (500, 26410), (556, 23750), (625, 21128), (695, 19000), (760, 17375), (950, 13900), (1000, 13205), (1112, 11875), (1250, 10564), (1390, 9500), (1900, 6950), (2375, 5560), (2500, 5282), (2641, 5000), (2780, 4750), (3475, 3800)]