25724860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 65288160

約数和(自身を除く): 39563300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 509, 532, 665, 722, 1018, 1330, 1444, 1805, 2036, 2527, 2545, 2660, 3563, 3610, 5054, 5090, 7126, 7220, 9671, 10108, 10180, 12635, 14252, 17815, 19342, 25270, 35630, 38684, 48355, 50540, 67697, 71260, 96710, 135394, 183749, 193420, 270788, 338485, 367498, 676970, 734996, 918745, 1286243, 1353940, 1837490, 2572486, 3674980, 5144972, 6431215, 12862430, 25724860]

約数ペア:

[(1, 25724860), (2, 12862430), (4, 6431215), (5, 5144972), (7, 3674980), (10, 2572486), (14, 1837490), (19, 1353940), (20, 1286243), (28, 918745), (35, 734996), (38, 676970), (70, 367498), (76, 338485), (95, 270788), (133, 193420), (140, 183749), (190, 135394), (266, 96710), (361, 71260), (380, 67697), (509, 50540), (532, 48355), (665, 38684), (722, 35630), (1018, 25270), (1330, 19342), (1444, 17815), (1805, 14252), (2036, 12635), (2527, 10180), (2545, 10108), (2660, 9671), (3563, 7220), (3610, 7126), (5054, 5090)]