82502860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 197406720

約数和(自身を除く): 114903860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 79, 94, 101, 110, 158, 188, 202, 220, 235, 316, 395, 404, 470, 505, 517, 790, 869, 940, 1010, 1034, 1111, 1580, 1738, 2020, 2068, 2222, 2585, 3476, 3713, 4345, 4444, 4747, 5170, 5555, 7426, 7979, 8690, 9494, 10340, 11110, 14852, 15958, 17380, 18565, 18988, 22220, 23735, 31916, 37130, 39895, 40843, 47470, 52217, 74260, 79790, 81686, 87769, 94940, 104434, 159580, 163372, 175538, 204215, 208868, 261085, 351076, 375013, 408430, 438845, 522170, 750026, 816860, 877690, 1044340, 1500052, 1755380, 1875065, 3750130, 4125143, 7500260, 8250286, 16500572, 20625715, 41251430, 82502860]

約数ペア:

[(1, 82502860), (2, 41251430), (4, 20625715), (5, 16500572), (10, 8250286), (11, 7500260), (20, 4125143), (22, 3750130), (44, 1875065), (47, 1755380), (55, 1500052), (79, 1044340), (94, 877690), (101, 816860), (110, 750026), (158, 522170), (188, 438845), (202, 408430), (220, 375013), (235, 351076), (316, 261085), (395, 208868), (404, 204215), (470, 175538), (505, 163372), (517, 159580), (790, 104434), (869, 94940), (940, 87769), (1010, 81686), (1034, 79790), (1111, 74260), (1580, 52217), (1738, 47470), (2020, 40843), (2068, 39895), (2222, 37130), (2585, 31916), (3476, 23735), (3713, 22220), (4345, 18988), (4444, 18565), (4747, 17380), (5170, 15958), (5555, 14852), (7426, 11110), (7979, 10340), (8690, 9494)]