13415560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 31279500

約数和(自身を除く): 17863940

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 349, 620, 698, 961, 1240, 1396, 1745, 1922, 2792, 3490, 3844, 4805, 6980, 7688, 9610, 10819, 13960, 19220, 21638, 38440, 43276, 54095, 86552, 108190, 216380, 335389, 432760, 670778, 1341556, 1676945, 2683112, 3353890, 6707780, 13415560]

約数ペア:

[(1, 13415560), (2, 6707780), (4, 3353890), (5, 2683112), (8, 1676945), (10, 1341556), (20, 670778), (31, 432760), (40, 335389), (62, 216380), (124, 108190), (155, 86552), (248, 54095), (310, 43276), (349, 38440), (620, 21638), (698, 19220), (961, 13960), (1240, 10819), (1396, 9610), (1745, 7688), (1922, 6980), (2792, 4805), (3490, 3844)]