25754320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 65687760

約数和(自身を除く): 39933440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 653, 680, 986, 1160, 1306, 1360, 1972, 2320, 2465, 2612, 3265, 3944, 4930, 5224, 6530, 7888, 9860, 10448, 11101, 13060, 18937, 19720, 22202, 26120, 37874, 39440, 44404, 52240, 55505, 75748, 88808, 94685, 111010, 151496, 177616, 189370, 222020, 302992, 321929, 378740, 444040, 643858, 757480, 888080, 1287716, 1514960, 1609645, 2575432, 3219290, 5150864, 6438580, 12877160, 25754320]

約数ペア:

[(1, 25754320), (2, 12877160), (4, 6438580), (5, 5150864), (8, 3219290), (10, 2575432), (16, 1609645), (17, 1514960), (20, 1287716), (29, 888080), (34, 757480), (40, 643858), (58, 444040), (68, 378740), (80, 321929), (85, 302992), (116, 222020), (136, 189370), (145, 177616), (170, 151496), (232, 111010), (272, 94685), (290, 88808), (340, 75748), (464, 55505), (493, 52240), (580, 44404), (653, 39440), (680, 37874), (986, 26120), (1160, 22202), (1306, 19720), (1360, 18937), (1972, 13060), (2320, 11101), (2465, 10448), (2612, 9860), (3265, 7888), (3944, 6530), (4930, 5224)]