40920425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17987}}^1$

素因数の和:18017

約数の個数: 24

約数和(自身を含む): 62454336

約数和(自身を除く): 21533911

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 17987, 89935, 125909, 233831, 449675, 629545, 1169155, 1636817, 3147725, 5845775, 8184085, 40920425]

約数ペア:

[(1, 40920425), (5, 8184085), (7, 5845775), (13, 3147725), (25, 1636817), (35, 1169155), (65, 629545), (91, 449675), (175, 233831), (325, 125909), (455, 89935), (2275, 17987)]