2017604720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12479}}^1$

素因数の和:12582

約数の個数: 80

約数和(自身を含む): 4902543360

約数和(自身を除く): 2884938640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 688, 752, 860, 940, 1720, 1880, 2021, 3440, 3760, 4042, 8084, 10105, 12479, 16168, 20210, 24958, 32336, 40420, 49916, 62395, 80840, 99832, 124790, 161680, 199664, 249580, 499160, 536597, 586513, 998320, 1073194, 1173026, 2146388, 2346052, 2682985, 2932565, 4292776, 4692104, 5365970, 5865130, 8585552, 9384208, 10731940, 11730260, 21463880, 23460520, 25220059, 42927760, 46921040, 50440118, 100880236, 126100295, 201760472, 252200590, 403520944, 504401180, 1008802360, 2017604720]

約数ペア:

[(1, 2017604720), (2, 1008802360), (4, 504401180), (5, 403520944), (8, 252200590), (10, 201760472), (16, 126100295), (20, 100880236), (40, 50440118), (43, 46921040), (47, 42927760), (80, 25220059), (86, 23460520), (94, 21463880), (172, 11730260), (188, 10731940), (215, 9384208), (235, 8585552), (344, 5865130), (376, 5365970), (430, 4692104), (470, 4292776), (688, 2932565), (752, 2682985), (860, 2346052), (940, 2146388), (1720, 1173026), (1880, 1073194), (2021, 998320), (3440, 586513), (3760, 536597), (4042, 499160), (8084, 249580), (10105, 199664), (12479, 161680), (16168, 124790), (20210, 99832), (24958, 80840), (32336, 62395), (40420, 49916)]