13291280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 33948720

約数和(自身を除く): 20657440

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, 337, 340, 464, 493, 580, 674, 680, 986, 1160, 1348, 1360, 1685, 1972, 2320, 2465, 2696, 3370, 3944, 4930, 5392, 5729, 6740, 7888, 9773, 9860, 11458, 13480, 19546, 19720, 22916, 26960, 28645, 39092, 39440, 45832, 48865, 57290, 78184, 91664, 97730, 114580, 156368, 166141, 195460, 229160, 332282, 390920, 458320, 664564, 781840, 830705, 1329128, 1661410, 2658256, 3322820, 6645640, 13291280]

約数ペア:

[(1, 13291280), (2, 6645640), (4, 3322820), (5, 2658256), (8, 1661410), (10, 1329128), (16, 830705), (17, 781840), (20, 664564), (29, 458320), (34, 390920), (40, 332282), (58, 229160), (68, 195460), (80, 166141), (85, 156368), (116, 114580), (136, 97730), (145, 91664), (170, 78184), (232, 57290), (272, 48865), (290, 45832), (337, 39440), (340, 39092), (464, 28645), (493, 26960), (580, 22916), (674, 19720), (680, 19546), (986, 13480), (1160, 11458), (1348, 9860), (1360, 9773), (1685, 7888), (1972, 6740), (2320, 5729), (2465, 5392), (2696, 4930), (3370, 3944)]