82904240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 208593792

約数和(自身を除く): 125689552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1297, 1360, 1598, 1880, 2594, 3196, 3760, 3995, 5188, 6392, 6485, 7990, 10376, 12784, 12970, 15980, 20752, 22049, 25940, 31960, 44098, 51880, 60959, 63920, 88196, 103760, 110245, 121918, 176392, 220490, 243836, 304795, 352784, 440980, 487672, 609590, 881960, 975344, 1036303, 1219180, 1763920, 2072606, 2438360, 4145212, 4876720, 5181515, 8290424, 10363030, 16580848, 20726060, 41452120, 82904240]

約数ペア:

[(1, 82904240), (2, 41452120), (4, 20726060), (5, 16580848), (8, 10363030), (10, 8290424), (16, 5181515), (17, 4876720), (20, 4145212), (34, 2438360), (40, 2072606), (47, 1763920), (68, 1219180), (80, 1036303), (85, 975344), (94, 881960), (136, 609590), (170, 487672), (188, 440980), (235, 352784), (272, 304795), (340, 243836), (376, 220490), (470, 176392), (680, 121918), (752, 110245), (799, 103760), (940, 88196), (1297, 63920), (1360, 60959), (1598, 51880), (1880, 44098), (2594, 31960), (3196, 25940), (3760, 22049), (3995, 20752), (5188, 15980), (6392, 12970), (6485, 12784), (7990, 10376)]