39988624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 90744192

約数和(自身を除く): 50755568

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 208, 221, 263, 272, 344, 442, 526, 559, 688, 731, 884, 1052, 1118, 1462, 1768, 2104, 2236, 2924, 3419, 3536, 4208, 4471, 4472, 5848, 6838, 8942, 8944, 9503, 11309, 11696, 13676, 17884, 19006, 22618, 27352, 35768, 38012, 45236, 54704, 58123, 71536, 76024, 90472, 116246, 147017, 152048, 180944, 192253, 232492, 294034, 384506, 464984, 588068, 769012, 929968, 1176136, 1538024, 2352272, 2499289, 3076048, 4998578, 9997156, 19994312, 39988624]

約数ペア:

[(1, 39988624), (2, 19994312), (4, 9997156), (8, 4998578), (13, 3076048), (16, 2499289), (17, 2352272), (26, 1538024), (34, 1176136), (43, 929968), (52, 769012), (68, 588068), (86, 464984), (104, 384506), (136, 294034), (172, 232492), (208, 192253), (221, 180944), (263, 152048), (272, 147017), (344, 116246), (442, 90472), (526, 76024), (559, 71536), (688, 58123), (731, 54704), (884, 45236), (1052, 38012), (1118, 35768), (1462, 27352), (1768, 22618), (2104, 19006), (2236, 17884), (2924, 13676), (3419, 11696), (3536, 11309), (4208, 9503), (4471, 8944), (4472, 8942), (5848, 6838)]