25437140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8101}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 53764872

約数和(自身を除く): 28327732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 8101, 16202, 32404, 40505, 81010, 162020, 1271857, 2543714, 5087428, 6359285, 12718570, 25437140]

約数ペア:

[(1, 25437140), (2, 12718570), (4, 6359285), (5, 5087428), (10, 2543714), (20, 1271857), (157, 162020), (314, 81010), (628, 40505), (785, 32404), (1570, 16202), (3140, 8101)]