39730840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^2$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 92796480

約数和(自身を除く): 53065640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 620, 716, 895, 1240, 1432, 1790, 3580, 5549, 7160, 11098, 22196, 27745, 32041, 44392, 55490, 64082, 110980, 128164, 160205, 221960, 256328, 320410, 640820, 993271, 1281640, 1986542, 3973084, 4966355, 7946168, 9932710, 19865420, 39730840]

約数ペア:

[(1, 39730840), (2, 19865420), (4, 9932710), (5, 7946168), (8, 4966355), (10, 3973084), (20, 1986542), (31, 1281640), (40, 993271), (62, 640820), (124, 320410), (155, 256328), (179, 221960), (248, 160205), (310, 128164), (358, 110980), (620, 64082), (716, 55490), (895, 44392), (1240, 32041), (1432, 27745), (1790, 22196), (3580, 11098), (5549, 7160)]