25454440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 68584320

約数和(自身を除く): 43129880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 83, 85, 88, 110, 136, 164, 166, 170, 187, 205, 220, 328, 332, 340, 374, 410, 415, 440, 451, 664, 680, 697, 748, 820, 830, 902, 913, 935, 1394, 1411, 1496, 1640, 1660, 1804, 1826, 1870, 2255, 2788, 2822, 3320, 3403, 3485, 3608, 3652, 3740, 4510, 4565, 5576, 5644, 6806, 6970, 7055, 7304, 7480, 7667, 9020, 9130, 11288, 13612, 13940, 14110, 15334, 15521, 17015, 18040, 18260, 27224, 27880, 28220, 30668, 31042, 34030, 36520, 37433, 38335, 56440, 57851, 61336, 62084, 68060, 74866, 76670, 77605, 115702, 124168, 136120, 149732, 153340, 155210, 187165, 231404, 289255, 299464, 306680, 310420, 374330, 462808, 578510, 620840, 636361, 748660, 1157020, 1272722, 1497320, 2314040, 2545444, 3181805, 5090888, 6363610, 12727220, 25454440]

約数ペア:

[(1, 25454440), (2, 12727220), (4, 6363610), (5, 5090888), (8, 3181805), (10, 2545444), (11, 2314040), (17, 1497320), (20, 1272722), (22, 1157020), (34, 748660), (40, 636361), (41, 620840), (44, 578510), (55, 462808), (68, 374330), (82, 310420), (83, 306680), (85, 299464), (88, 289255), (110, 231404), (136, 187165), (164, 155210), (166, 153340), (170, 149732), (187, 136120), (205, 124168), (220, 115702), (328, 77605), (332, 76670), (340, 74866), (374, 68060), (410, 62084), (415, 61336), (440, 57851), (451, 56440), (664, 38335), (680, 37433), (697, 36520), (748, 34030), (820, 31042), (830, 30668), (902, 28220), (913, 27880), (935, 27224), (1394, 18260), (1411, 18040), (1496, 17015), (1640, 15521), (1660, 15334), (1804, 14110), (1826, 13940), (1870, 13612), (2255, 11288), (2788, 9130), (2822, 9020), (3320, 7667), (3403, 7480), (3485, 7304), (3608, 7055), (3652, 6970), (3740, 6806), (4510, 5644), (4565, 5576)]