25345340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4931}}^1$

素因数の和:5197

約数の個数: 24

約数和(自身を含む): 53443152

約数和(自身を除く): 28097812

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 4931, 5140, 9862, 19724, 24655, 49310, 98620, 1267267, 2534534, 5069068, 6336335, 12672670, 25345340]

約数ペア:

[(1, 25345340), (2, 12672670), (4, 6336335), (5, 5069068), (10, 2534534), (20, 1267267), (257, 98620), (514, 49310), (1028, 24655), (1285, 19724), (2570, 9862), (4931, 5140)]