16817763625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 22947724800

約数和(自身を除く): 6129961175

約数列:

[1, 5, 13, 25, 65, 125, 131, 199, 325, 397, 655, 995, 1625, 1703, 1985, 2587, 3275, 4975, 5161, 8515, 9925, 12935, 16375, 24875, 25805, 26069, 42575, 49625, 52007, 64675, 79003, 129025, 130345, 212875, 260035, 323375, 338897, 395015, 645125, 651725, 676091, 1027039, 1300175, 1694485, 1975075, 3258625, 3380455, 5135195, 6500875, 8472425, 9875375, 10349393, 16902275, 25675975, 42362125, 51746965, 84511375, 128379875, 134542109, 258734825, 672710545, 1293674125, 3363552725, 16817763625]

約数ペア:

[(1, 16817763625), (5, 3363552725), (13, 1293674125), (25, 672710545), (65, 258734825), (125, 134542109), (131, 128379875), (199, 84511375), (325, 51746965), (397, 42362125), (655, 25675975), (995, 16902275), (1625, 10349393), (1703, 9875375), (1985, 8472425), (2587, 6500875), (3275, 5135195), (4975, 3380455), (5161, 3258625), (8515, 1975075), (9925, 1694485), (12935, 1300175), (16375, 1027039), (24875, 676091), (25805, 651725), (26069, 645125), (42575, 395015), (49625, 338897), (52007, 323375), (64675, 260035), (79003, 212875), (129025, 130345)]