13121450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 26516160

約数和(自身を除く): 13394710

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 170, 215, 359, 425, 430, 718, 731, 850, 1075, 1462, 1795, 2150, 3590, 3655, 6103, 7310, 8975, 12206, 15437, 17950, 18275, 30515, 30874, 36550, 61030, 77185, 152575, 154370, 262429, 305150, 385925, 524858, 771850, 1312145, 2624290, 6560725, 13121450]

約数ペア:

[(1, 13121450), (2, 6560725), (5, 2624290), (10, 1312145), (17, 771850), (25, 524858), (34, 385925), (43, 305150), (50, 262429), (85, 154370), (86, 152575), (170, 77185), (215, 61030), (359, 36550), (425, 30874), (430, 30515), (718, 18275), (731, 17950), (850, 15437), (1075, 12206), (1462, 8975), (1795, 7310), (2150, 6103), (3590, 3655)]