25287500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{17}}^2$

素因数の和:70

約数の個数: 108

約数和(自身を含む): 67151952

約数和(自身を除く): 41864452

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 170, 175, 238, 250, 289, 340, 350, 425, 476, 500, 578, 595, 625, 700, 850, 875, 1156, 1190, 1250, 1445, 1700, 1750, 2023, 2125, 2380, 2500, 2890, 2975, 3125, 3500, 4046, 4250, 4375, 5780, 5950, 6250, 7225, 8092, 8500, 8750, 10115, 10625, 11900, 12500, 14450, 14875, 17500, 20230, 21250, 21875, 28900, 29750, 36125, 40460, 42500, 43750, 50575, 53125, 59500, 72250, 74375, 87500, 101150, 106250, 144500, 148750, 180625, 202300, 212500, 252875, 297500, 361250, 371875, 505750, 722500, 743750, 903125, 1011500, 1264375, 1487500, 1806250, 2528750, 3612500, 5057500, 6321875, 12643750, 25287500]

約数ペア:

[(1, 25287500), (2, 12643750), (4, 6321875), (5, 5057500), (7, 3612500), (10, 2528750), (14, 1806250), (17, 1487500), (20, 1264375), (25, 1011500), (28, 903125), (34, 743750), (35, 722500), (50, 505750), (68, 371875), (70, 361250), (85, 297500), (100, 252875), (119, 212500), (125, 202300), (140, 180625), (170, 148750), (175, 144500), (238, 106250), (250, 101150), (289, 87500), (340, 74375), (350, 72250), (425, 59500), (476, 53125), (500, 50575), (578, 43750), (595, 42500), (625, 40460), (700, 36125), (850, 29750), (875, 28900), (1156, 21875), (1190, 21250), (1250, 20230), (1445, 17500), (1700, 14875), (1750, 14450), (2023, 12500), (2125, 11900), (2380, 10625), (2500, 10115), (2890, 8750), (2975, 8500), (3125, 8092), (3500, 7225), (4046, 6250), (4250, 5950), (4375, 5780)]