12723640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 29670840

約数和(自身を除く): 16947200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 620, 662, 961, 1240, 1324, 1655, 1922, 2648, 3310, 3844, 4805, 6620, 7688, 9610, 10261, 13240, 19220, 20522, 38440, 41044, 51305, 82088, 102610, 205220, 318091, 410440, 636182, 1272364, 1590455, 2544728, 3180910, 6361820, 12723640]

約数ペア:

[(1, 12723640), (2, 6361820), (4, 3180910), (5, 2544728), (8, 1590455), (10, 1272364), (20, 636182), (31, 410440), (40, 318091), (62, 205220), (124, 102610), (155, 82088), (248, 51305), (310, 41044), (331, 38440), (620, 20522), (662, 19220), (961, 13240), (1240, 10261), (1324, 9610), (1655, 7688), (1922, 6620), (2648, 4805), (3310, 3844)]