17663840

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2083}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 42538608

約数和(自身を除く): 24874768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2083, 2120, 4166, 4240, 8332, 8480, 10415, 16664, 20830, 33328, 41660, 66656, 83320, 110399, 166640, 220798, 333280, 441596, 551995, 883192, 1103990, 1766384, 2207980, 3532768, 4415960, 8831920, 17663840]

約数ペア:

[(1, 17663840), (2, 8831920), (4, 4415960), (5, 3532768), (8, 2207980), (10, 1766384), (16, 1103990), (20, 883192), (32, 551995), (40, 441596), (53, 333280), (80, 220798), (106, 166640), (160, 110399), (212, 83320), (265, 66656), (424, 41660), (530, 33328), (848, 20830), (1060, 16664), (1696, 10415), (2083, 8480), (2120, 8332), (4166, 4240)]