87072760

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{12161}}^1$

素因数の和:12351

約数の個数: 32

約数和(自身を含む): 197024400

約数和(自身を除く): 109951640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 12161, 24322, 48644, 60805, 97288, 121610, 243220, 486440, 2176819, 4353638, 8707276, 10884095, 17414552, 21768190, 43536380, 87072760]

約数ペア:

[(1, 87072760), (2, 43536380), (4, 21768190), (5, 17414552), (8, 10884095), (10, 8707276), (20, 4353638), (40, 2176819), (179, 486440), (358, 243220), (716, 121610), (895, 97288), (1432, 60805), (1790, 48644), (3580, 24322), (7160, 12161)]