65531000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3489

約数の個数: 64

約数和(自身を含む): 161460000

約数和(自身を除く): 95929000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3449, 3800, 4750, 6898, 9500, 13796, 17245, 19000, 27592, 34490, 65531, 68980, 86225, 131062, 137960, 172450, 262124, 327655, 344900, 431125, 524248, 655310, 689800, 862250, 1310620, 1638275, 1724500, 2621240, 3276550, 3449000, 6553100, 8191375, 13106200, 16382750, 32765500, 65531000]

約数ペア:

[(1, 65531000), (2, 32765500), (4, 16382750), (5, 13106200), (8, 8191375), (10, 6553100), (19, 3449000), (20, 3276550), (25, 2621240), (38, 1724500), (40, 1638275), (50, 1310620), (76, 862250), (95, 689800), (100, 655310), (125, 524248), (152, 431125), (190, 344900), (200, 327655), (250, 262124), (380, 172450), (475, 137960), (500, 131062), (760, 86225), (950, 68980), (1000, 65531), (1900, 34490), (2375, 27592), (3449, 19000), (3800, 17245), (4750, 13796), (6898, 9500)]