31814320

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 74526480

約数和(自身を除く): 42712160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 2861, 5560, 5722, 11120, 11444, 14305, 22888, 28610, 45776, 57220, 114440, 228880, 397679, 795358, 1590716, 1988395, 3181432, 3976790, 6362864, 7953580, 15907160, 31814320]

約数ペア:

[(1, 31814320), (2, 15907160), (4, 7953580), (5, 6362864), (8, 3976790), (10, 3181432), (16, 1988395), (20, 1590716), (40, 795358), (80, 397679), (139, 228880), (278, 114440), (556, 57220), (695, 45776), (1112, 28610), (1390, 22888), (2224, 14305), (2780, 11444), (2861, 11120), (5560, 5722)]