40064648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 90773760

約数和(自身を除く): 50709112

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 43, 52, 62, 68, 86, 104, 124, 136, 172, 221, 248, 289, 344, 403, 442, 527, 559, 578, 731, 806, 884, 1054, 1118, 1156, 1333, 1462, 1612, 1768, 2108, 2236, 2312, 2666, 2924, 3224, 3757, 4216, 4472, 5332, 5848, 6851, 7514, 8959, 9503, 10664, 12427, 13702, 15028, 17329, 17918, 19006, 22661, 24854, 27404, 30056, 34658, 35836, 38012, 45322, 49708, 54808, 69316, 71672, 76024, 90644, 99416, 116467, 138632, 161551, 181288, 232934, 294593, 323102, 385237, 465868, 589186, 646204, 770474, 931736, 1178372, 1292408, 1540948, 2356744, 3081896, 5008081, 10016162, 20032324, 40064648]

約数ペア:

[(1, 40064648), (2, 20032324), (4, 10016162), (8, 5008081), (13, 3081896), (17, 2356744), (26, 1540948), (31, 1292408), (34, 1178372), (43, 931736), (52, 770474), (62, 646204), (68, 589186), (86, 465868), (104, 385237), (124, 323102), (136, 294593), (172, 232934), (221, 181288), (248, 161551), (289, 138632), (344, 116467), (403, 99416), (442, 90644), (527, 76024), (559, 71672), (578, 69316), (731, 54808), (806, 49708), (884, 45322), (1054, 38012), (1118, 35836), (1156, 34658), (1333, 30056), (1462, 27404), (1612, 24854), (1768, 22661), (2108, 19006), (2236, 17918), (2312, 17329), (2666, 15028), (2924, 13702), (3224, 12427), (3757, 10664), (4216, 9503), (4472, 8959), (5332, 7514), (5848, 6851)]