85104880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1831}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 228985344

約数和(自身を除く): 143880464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 1831, 2324, 2905, 3320, 3662, 4648, 5810, 6640, 7324, 9155, 9296, 11620, 12817, 14648, 18310, 23240, 25634, 29296, 36620, 46480, 51268, 64085, 73240, 102536, 128170, 146480, 151973, 205072, 256340, 303946, 512680, 607892, 759865, 1025360, 1063811, 1215784, 1519730, 2127622, 2431568, 3039460, 4255244, 5319055, 6078920, 8510488, 10638110, 12157840, 17020976, 21276220, 42552440, 85104880]

約数ペア:

[(1, 85104880), (2, 42552440), (4, 21276220), (5, 17020976), (7, 12157840), (8, 10638110), (10, 8510488), (14, 6078920), (16, 5319055), (20, 4255244), (28, 3039460), (35, 2431568), (40, 2127622), (56, 1519730), (70, 1215784), (80, 1063811), (83, 1025360), (112, 759865), (140, 607892), (166, 512680), (280, 303946), (332, 256340), (415, 205072), (560, 151973), (581, 146480), (664, 128170), (830, 102536), (1162, 73240), (1328, 64085), (1660, 51268), (1831, 46480), (2324, 36620), (2905, 29296), (3320, 25634), (3662, 23240), (4648, 18310), (5810, 14648), (6640, 12817), (7324, 11620), (9155, 9296)]