89565775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 134790480

約数和(自身を除く): 45224705

約数列:

[1, 5, 13, 17, 25, 29, 43, 65, 85, 145, 169, 215, 221, 325, 377, 425, 493, 559, 725, 731, 845, 1075, 1105, 1247, 1885, 2465, 2795, 2873, 3655, 4225, 4901, 5525, 6235, 6409, 7267, 9425, 9503, 12325, 13975, 14365, 16211, 18275, 21199, 24505, 31175, 32045, 36335, 47515, 71825, 81055, 83317, 105995, 122525, 123539, 160225, 181675, 210743, 237575, 275587, 405275, 416585, 529975, 617695, 1053715, 1377935, 2082925, 3088475, 3582631, 5268575, 6889675, 17913155, 89565775]

約数ペア:

[(1, 89565775), (5, 17913155), (13, 6889675), (17, 5268575), (25, 3582631), (29, 3088475), (43, 2082925), (65, 1377935), (85, 1053715), (145, 617695), (169, 529975), (215, 416585), (221, 405275), (325, 275587), (377, 237575), (425, 210743), (493, 181675), (559, 160225), (725, 123539), (731, 122525), (845, 105995), (1075, 83317), (1105, 81055), (1247, 71825), (1885, 47515), (2465, 36335), (2795, 32045), (2873, 31175), (3655, 24505), (4225, 21199), (4901, 18275), (5525, 16211), (6235, 14365), (6409, 13975), (7267, 12325), (9425, 9503)]