28496560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 69906240

約数和(自身を除く): 41409680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 173, 232, 284, 290, 346, 355, 464, 568, 580, 692, 710, 865, 1136, 1160, 1384, 1420, 1730, 2059, 2320, 2768, 2840, 3460, 4118, 5017, 5680, 6920, 8236, 10034, 10295, 12283, 13840, 16472, 20068, 20590, 24566, 25085, 32944, 40136, 41180, 49132, 50170, 61415, 80272, 82360, 98264, 100340, 122830, 164720, 196528, 200680, 245660, 356207, 401360, 491320, 712414, 982640, 1424828, 1781035, 2849656, 3562070, 5699312, 7124140, 14248280, 28496560]

約数ペア:

[(1, 28496560), (2, 14248280), (4, 7124140), (5, 5699312), (8, 3562070), (10, 2849656), (16, 1781035), (20, 1424828), (29, 982640), (40, 712414), (58, 491320), (71, 401360), (80, 356207), (116, 245660), (142, 200680), (145, 196528), (173, 164720), (232, 122830), (284, 100340), (290, 98264), (346, 82360), (355, 80272), (464, 61415), (568, 50170), (580, 49132), (692, 41180), (710, 40136), (865, 32944), (1136, 25085), (1160, 24566), (1384, 20590), (1420, 20068), (1730, 16472), (2059, 13840), (2320, 12283), (2768, 10295), (2840, 10034), (3460, 8236), (4118, 6920), (5017, 5680)]