25756940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 61426512

約数和(自身を除く): 35669572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 53, 55, 94, 106, 110, 188, 212, 220, 235, 265, 470, 517, 530, 583, 940, 1034, 1060, 1166, 2068, 2209, 2332, 2491, 2585, 2915, 4418, 4982, 5170, 5830, 8836, 9964, 10340, 11045, 11660, 12455, 22090, 24299, 24910, 27401, 44180, 48598, 49820, 54802, 97196, 109604, 117077, 121495, 137005, 234154, 242990, 274010, 468308, 485980, 548020, 585385, 1170770, 1287847, 2341540, 2575694, 5151388, 6439235, 12878470, 25756940]

約数ペア:

[(1, 25756940), (2, 12878470), (4, 6439235), (5, 5151388), (10, 2575694), (11, 2341540), (20, 1287847), (22, 1170770), (44, 585385), (47, 548020), (53, 485980), (55, 468308), (94, 274010), (106, 242990), (110, 234154), (188, 137005), (212, 121495), (220, 117077), (235, 109604), (265, 97196), (470, 54802), (517, 49820), (530, 48598), (583, 44180), (940, 27401), (1034, 24910), (1060, 24299), (1166, 22090), (2068, 12455), (2209, 11660), (2332, 11045), (2491, 10340), (2585, 9964), (2915, 8836), (4418, 5830), (4982, 5170)]