13915280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 33615036

約数和(自身を除く): 19699756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 620, 724, 905, 961, 1240, 1448, 1810, 1922, 2480, 2896, 3620, 3844, 4805, 5611, 7240, 7688, 9610, 11222, 14480, 15376, 19220, 22444, 28055, 38440, 44888, 56110, 76880, 89776, 112220, 173941, 224440, 347882, 448880, 695764, 869705, 1391528, 1739410, 2783056, 3478820, 6957640, 13915280]

約数ペア:

[(1, 13915280), (2, 6957640), (4, 3478820), (5, 2783056), (8, 1739410), (10, 1391528), (16, 869705), (20, 695764), (31, 448880), (40, 347882), (62, 224440), (80, 173941), (124, 112220), (155, 89776), (181, 76880), (248, 56110), (310, 44888), (362, 38440), (496, 28055), (620, 22444), (724, 19220), (905, 15376), (961, 14480), (1240, 11222), (1448, 9610), (1810, 7688), (1922, 7240), (2480, 5611), (2896, 4805), (3620, 3844)]