13338680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 31100760

約数和(自身を除く): 17762080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 620, 694, 961, 1240, 1388, 1735, 1922, 2776, 3470, 3844, 4805, 6940, 7688, 9610, 10757, 13880, 19220, 21514, 38440, 43028, 53785, 86056, 107570, 215140, 333467, 430280, 666934, 1333868, 1667335, 2667736, 3334670, 6669340, 13338680]

約数ペア:

[(1, 13338680), (2, 6669340), (4, 3334670), (5, 2667736), (8, 1667335), (10, 1333868), (20, 666934), (31, 430280), (40, 333467), (62, 215140), (124, 107570), (155, 86056), (248, 53785), (310, 43028), (347, 38440), (620, 21514), (694, 19220), (961, 13880), (1240, 10757), (1388, 9610), (1735, 7688), (1922, 6940), (2776, 4805), (3470, 3844)]