25027690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 46403280

約数和(自身を除く): 21375590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 461, 610, 890, 922, 2305, 4610, 5429, 10858, 27145, 28121, 41029, 54290, 56242, 82058, 140605, 205145, 281210, 410290, 2502769, 5005538, 12513845, 25027690]

約数ペア:

[(1, 25027690), (2, 12513845), (5, 5005538), (10, 2502769), (61, 410290), (89, 281210), (122, 205145), (178, 140605), (305, 82058), (445, 56242), (461, 54290), (610, 41029), (890, 28121), (922, 27145), (2305, 10858), (4610, 5429)]