25718210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 31063870

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 266, 305, 317, 427, 610, 634, 665, 854, 1159, 1330, 1585, 2135, 2219, 2318, 3170, 4270, 4438, 5795, 6023, 8113, 11095, 11590, 12046, 16226, 19337, 22190, 30115, 38674, 40565, 42161, 60230, 81130, 84322, 96685, 135359, 193370, 210805, 270718, 367403, 421610, 676795, 734806, 1353590, 1837015, 2571821, 3674030, 5143642, 12859105, 25718210]

約数ペア:

[(1, 25718210), (2, 12859105), (5, 5143642), (7, 3674030), (10, 2571821), (14, 1837015), (19, 1353590), (35, 734806), (38, 676795), (61, 421610), (70, 367403), (95, 270718), (122, 210805), (133, 193370), (190, 135359), (266, 96685), (305, 84322), (317, 81130), (427, 60230), (610, 42161), (634, 40565), (665, 38674), (854, 30115), (1159, 22190), (1330, 19337), (1585, 16226), (2135, 12046), (2219, 11590), (2318, 11095), (3170, 8113), (4270, 6023), (4438, 5795)]