25130140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25643}}^1$

素因数の和:25666

約数の個数: 36

約数和(自身を含む): 61391736

約数和(自身を除く): 36261596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25643, 51286, 102572, 128215, 179501, 256430, 359002, 512860, 718004, 897505, 1256507, 1795010, 2513014, 3590020, 5026028, 6282535, 12565070, 25130140]

約数ペア:

[(1, 25130140), (2, 12565070), (4, 6282535), (5, 5026028), (7, 3590020), (10, 2513014), (14, 1795010), (20, 1256507), (28, 897505), (35, 718004), (49, 512860), (70, 359002), (98, 256430), (140, 179501), (196, 128215), (245, 102572), (490, 51286), (980, 25643)]