68204375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 91095840

約数和(自身を除く): 22891465

約数列:

[1, 5, 25, 29, 53, 71, 125, 145, 265, 355, 625, 725, 1325, 1537, 1775, 2059, 3625, 3763, 6625, 7685, 8875, 10295, 18125, 18815, 33125, 38425, 44375, 51475, 94075, 109127, 192125, 257375, 470375, 545635, 960625, 1286875, 2351875, 2728175, 13640875, 68204375]

約数ペア:

[(1, 68204375), (5, 13640875), (25, 2728175), (29, 2351875), (53, 1286875), (71, 960625), (125, 545635), (145, 470375), (265, 257375), (355, 192125), (625, 109127), (725, 94075), (1325, 51475), (1537, 44375), (1775, 38425), (2059, 33125), (3625, 18815), (3763, 18125), (6625, 10295), (7685, 8875)]