56400520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 143256960

約数和(自身を除く): 86856440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 172, 215, 220, 242, 271, 344, 430, 440, 473, 484, 542, 605, 860, 946, 968, 1084, 1210, 1355, 1720, 1892, 2168, 2365, 2420, 2710, 2981, 3784, 4730, 4840, 5203, 5420, 5962, 9460, 10406, 10840, 11653, 11924, 14905, 18920, 20812, 23306, 23848, 26015, 29810, 32791, 41624, 46612, 52030, 58265, 59620, 65582, 93224, 104060, 116530, 119240, 128183, 131164, 163955, 208120, 233060, 256366, 262328, 327910, 466120, 512732, 640915, 655820, 1025464, 1281830, 1311640, 1410013, 2563660, 2820026, 5127320, 5640052, 7050065, 11280104, 14100130, 28200260, 56400520]

約数ペア:

[(1, 56400520), (2, 28200260), (4, 14100130), (5, 11280104), (8, 7050065), (10, 5640052), (11, 5127320), (20, 2820026), (22, 2563660), (40, 1410013), (43, 1311640), (44, 1281830), (55, 1025464), (86, 655820), (88, 640915), (110, 512732), (121, 466120), (172, 327910), (215, 262328), (220, 256366), (242, 233060), (271, 208120), (344, 163955), (430, 131164), (440, 128183), (473, 119240), (484, 116530), (542, 104060), (605, 93224), (860, 65582), (946, 59620), (968, 58265), (1084, 52030), (1210, 46612), (1355, 41624), (1720, 32791), (1892, 29810), (2168, 26015), (2365, 23848), (2420, 23306), (2710, 20812), (2981, 18920), (3784, 14905), (4730, 11924), (4840, 11653), (5203, 10840), (5420, 10406), (5962, 9460)]