25587860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 56140560

約数和(自身を除く): 30552700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 281, 290, 314, 562, 580, 628, 785, 1124, 1405, 1570, 2810, 3140, 4553, 5620, 8149, 9106, 16298, 18212, 22765, 32596, 40745, 44117, 45530, 81490, 88234, 91060, 162980, 176468, 220585, 441170, 882340, 1279393, 2558786, 5117572, 6396965, 12793930, 25587860]

約数ペア:

[(1, 25587860), (2, 12793930), (4, 6396965), (5, 5117572), (10, 2558786), (20, 1279393), (29, 882340), (58, 441170), (116, 220585), (145, 176468), (157, 162980), (281, 91060), (290, 88234), (314, 81490), (562, 45530), (580, 44117), (628, 40745), (785, 32596), (1124, 22765), (1405, 18212), (1570, 16298), (2810, 9106), (3140, 8149), (4553, 5620)]