40351285

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 56584332

約数和(自身を除く): 16233047

約数列:

[1, 5, 13, 17, 53, 65, 85, 169, 221, 265, 689, 845, 901, 1105, 2809, 2873, 3445, 4505, 8957, 11713, 14045, 14365, 36517, 44785, 47753, 58565, 152269, 182585, 238765, 474721, 620789, 761345, 2373605, 3103945, 8070257, 40351285]

約数ペア:

[(1, 40351285), (5, 8070257), (13, 3103945), (17, 2373605), (53, 761345), (65, 620789), (85, 474721), (169, 238765), (221, 182585), (265, 152269), (689, 58565), (845, 47753), (901, 44785), (1105, 36517), (2809, 14365), (2873, 14045), (3445, 11713), (4505, 8957)]