27639740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 61133184

約数和(自身を除く): 33493444

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 911, 1517, 1822, 3034, 3644, 4555, 6068, 7585, 9110, 15170, 18220, 30340, 33707, 37351, 67414, 74702, 134828, 149404, 168535, 186755, 337070, 373510, 674140, 747020, 1381987, 2763974, 5527948, 6909935, 13819870, 27639740]

約数ペア:

[(1, 27639740), (2, 13819870), (4, 6909935), (5, 5527948), (10, 2763974), (20, 1381987), (37, 747020), (41, 674140), (74, 373510), (82, 337070), (148, 186755), (164, 168535), (185, 149404), (205, 134828), (370, 74702), (410, 67414), (740, 37351), (820, 33707), (911, 30340), (1517, 18220), (1822, 15170), (3034, 9110), (3644, 7585), (4555, 6068)]