80511028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 156473856

約数和(自身を除く): 75962828

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 131, 212, 223, 262, 446, 524, 689, 892, 1378, 1703, 2756, 2899, 3406, 5798, 6812, 6943, 11596, 11819, 13886, 23638, 27772, 29213, 47276, 58426, 90259, 116852, 153647, 180518, 307294, 361036, 379769, 614588, 759538, 1519076, 1548289, 3096578, 6193156, 20127757, 40255514, 80511028]

約数ペア:

[(1, 80511028), (2, 40255514), (4, 20127757), (13, 6193156), (26, 3096578), (52, 1548289), (53, 1519076), (106, 759538), (131, 614588), (212, 379769), (223, 361036), (262, 307294), (446, 180518), (524, 153647), (689, 116852), (892, 90259), (1378, 58426), (1703, 47276), (2756, 29213), (2899, 27772), (3406, 23638), (5798, 13886), (6812, 11819), (6943, 11596)]