2090320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 5423760

約数和(自身を除く): 3333440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 53, 58, 68, 80, 85, 106, 116, 136, 145, 170, 212, 232, 265, 272, 290, 340, 424, 464, 493, 530, 580, 680, 848, 901, 986, 1060, 1160, 1360, 1537, 1802, 1972, 2120, 2320, 2465, 3074, 3604, 3944, 4240, 4505, 4930, 6148, 7208, 7685, 7888, 9010, 9860, 12296, 14416, 15370, 18020, 19720, 24592, 26129, 30740, 36040, 39440, 52258, 61480, 72080, 104516, 122960, 130645, 209032, 261290, 418064, 522580, 1045160, 2090320]

約数ペア:

[(1, 2090320), (2, 1045160), (4, 522580), (5, 418064), (8, 261290), (10, 209032), (16, 130645), (17, 122960), (20, 104516), (29, 72080), (34, 61480), (40, 52258), (53, 39440), (58, 36040), (68, 30740), (80, 26129), (85, 24592), (106, 19720), (116, 18020), (136, 15370), (145, 14416), (170, 12296), (212, 9860), (232, 9010), (265, 7888), (272, 7685), (290, 7208), (340, 6148), (424, 4930), (464, 4505), (493, 4240), (530, 3944), (580, 3604), (680, 3074), (848, 2465), (901, 2320), (986, 2120), (1060, 1972), (1160, 1802), (1360, 1537)]