25078340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 60501504

約数和(自身を除く): 35423164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 661, 1084, 1322, 1355, 1897, 2644, 2710, 3305, 3794, 4627, 5420, 6610, 7588, 9254, 9485, 13220, 18508, 18970, 23135, 37940, 46270, 92540, 179131, 358262, 716524, 895655, 1253917, 1791310, 2507834, 3582620, 5015668, 6269585, 12539170, 25078340]

約数ペア:

[(1, 25078340), (2, 12539170), (4, 6269585), (5, 5015668), (7, 3582620), (10, 2507834), (14, 1791310), (20, 1253917), (28, 895655), (35, 716524), (70, 358262), (140, 179131), (271, 92540), (542, 46270), (661, 37940), (1084, 23135), (1322, 18970), (1355, 18508), (1897, 13220), (2644, 9485), (2710, 9254), (3305, 7588), (3794, 6610), (4627, 5420)]