13881440

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 33158160

約数和(自身を除く): 19276720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 859, 1010, 1616, 1718, 2020, 3232, 3436, 4040, 4295, 6872, 8080, 8590, 13744, 16160, 17180, 27488, 34360, 68720, 86759, 137440, 173518, 347036, 433795, 694072, 867590, 1388144, 1735180, 2776288, 3470360, 6940720, 13881440]

約数ペア:

[(1, 13881440), (2, 6940720), (4, 3470360), (5, 2776288), (8, 1735180), (10, 1388144), (16, 867590), (20, 694072), (32, 433795), (40, 347036), (80, 173518), (101, 137440), (160, 86759), (202, 68720), (404, 34360), (505, 27488), (808, 17180), (859, 16160), (1010, 13744), (1616, 8590), (1718, 8080), (2020, 6872), (3232, 4295), (3436, 4040)]