16259000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 38750400

約数和(自身を除く): 22491400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 229, 250, 284, 355, 458, 500, 568, 710, 916, 1000, 1145, 1420, 1775, 1832, 2290, 2840, 3550, 4580, 5725, 7100, 8875, 9160, 11450, 14200, 16259, 17750, 22900, 28625, 32518, 35500, 45800, 57250, 65036, 71000, 81295, 114500, 130072, 162590, 229000, 325180, 406475, 650360, 812950, 1625900, 2032375, 3251800, 4064750, 8129500, 16259000]

約数ペア:

[(1, 16259000), (2, 8129500), (4, 4064750), (5, 3251800), (8, 2032375), (10, 1625900), (20, 812950), (25, 650360), (40, 406475), (50, 325180), (71, 229000), (100, 162590), (125, 130072), (142, 114500), (200, 81295), (229, 71000), (250, 65036), (284, 57250), (355, 45800), (458, 35500), (500, 32518), (568, 28625), (710, 22900), (916, 17750), (1000, 16259), (1145, 14200), (1420, 11450), (1775, 9160), (1832, 8875), (2290, 7100), (2840, 5725), (3550, 4580)]