40986725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 56162700

約数和(自身を除く): 15175975

約数列:

[1, 5, 13, 25, 65, 89, 109, 169, 325, 445, 545, 845, 1157, 1417, 2225, 2725, 4225, 5785, 7085, 9701, 15041, 18421, 28925, 35425, 48505, 75205, 92105, 126113, 242525, 376025, 460525, 630565, 1639469, 3152825, 8197345, 40986725]

約数ペア:

[(1, 40986725), (5, 8197345), (13, 3152825), (25, 1639469), (65, 630565), (89, 460525), (109, 376025), (169, 242525), (325, 126113), (445, 92105), (545, 75205), (845, 48505), (1157, 35425), (1417, 28925), (2225, 18421), (2725, 15041), (4225, 9701), (5785, 7085)]