12788420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 29438640

約数和(自身を除く): 16650220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1297, 1972, 2465, 2594, 4930, 5188, 6485, 9860, 12970, 22049, 25940, 37613, 44098, 75226, 88196, 110245, 150452, 188065, 220490, 376130, 440980, 639421, 752260, 1278842, 2557684, 3197105, 6394210, 12788420]

約数ペア:

[(1, 12788420), (2, 6394210), (4, 3197105), (5, 2557684), (10, 1278842), (17, 752260), (20, 639421), (29, 440980), (34, 376130), (58, 220490), (68, 188065), (85, 150452), (116, 110245), (145, 88196), (170, 75226), (290, 44098), (340, 37613), (493, 25940), (580, 22049), (986, 12970), (1297, 9860), (1972, 6485), (2465, 5188), (2594, 4930)]