85176448520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{118189}}^1$

素因数の和:118662

約数の個数: 64

約数和(自身を含む): 196573608000

約数和(自身を除く): 111397159480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 419, 430, 838, 860, 1676, 1720, 2095, 3352, 4190, 8380, 16760, 18017, 36034, 72068, 90085, 118189, 144136, 180170, 236378, 360340, 472756, 590945, 720680, 945512, 1181890, 2363780, 4727560, 5082127, 10164254, 20328508, 25410635, 40657016, 49521191, 50821270, 99042382, 101642540, 198084764, 203285080, 247605955, 396169528, 495211910, 990423820, 1980847640, 2129411213, 4258822426, 8517644852, 10647056065, 17035289704, 21294112130, 42588224260, 85176448520]

約数ペア:

[(1, 85176448520), (2, 42588224260), (4, 21294112130), (5, 17035289704), (8, 10647056065), (10, 8517644852), (20, 4258822426), (40, 2129411213), (43, 1980847640), (86, 990423820), (172, 495211910), (215, 396169528), (344, 247605955), (419, 203285080), (430, 198084764), (838, 101642540), (860, 99042382), (1676, 50821270), (1720, 49521191), (2095, 40657016), (3352, 25410635), (4190, 20328508), (8380, 10164254), (16760, 5082127), (18017, 4727560), (36034, 2363780), (72068, 1181890), (90085, 945512), (118189, 720680), (144136, 590945), (180170, 472756), (236378, 360340)]