16649488640

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{183203}}^1$

素因数の和:183295

約数の個数: 72

約数和(自身を含む): 40442649408

約数和(自身を除く): 23793160768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 18176, 22720, 45440, 90880, 183203, 366406, 732812, 916015, 1465624, 1832030, 2931248, 3664060, 5862496, 7328120, 11724992, 13007413, 14656240, 23449984, 26014826, 29312480, 46899968, 52029652, 58624960, 65037065, 104059304, 117249920, 130074130, 208118608, 234499840, 260148260, 416237216, 520296520, 832474432, 1040593040, 1664948864, 2081186080, 3329897728, 4162372160, 8324744320, 16649488640]

約数ペア:

[(1, 16649488640), (2, 8324744320), (4, 4162372160), (5, 3329897728), (8, 2081186080), (10, 1664948864), (16, 1040593040), (20, 832474432), (32, 520296520), (40, 416237216), (64, 260148260), (71, 234499840), (80, 208118608), (128, 130074130), (142, 117249920), (160, 104059304), (256, 65037065), (284, 58624960), (320, 52029652), (355, 46899968), (568, 29312480), (640, 26014826), (710, 23449984), (1136, 14656240), (1280, 13007413), (1420, 11724992), (2272, 7328120), (2840, 5862496), (4544, 3664060), (5680, 2931248), (9088, 1832030), (11360, 1465624), (18176, 916015), (22720, 732812), (45440, 366406), (90880, 183203)]