12997040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23209}}^1$

素因数の和:23229

約数の個数: 40

約数和(自身を含む): 34536480

約数和(自身を除く): 21539440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23209, 46418, 92836, 116045, 162463, 185672, 232090, 324926, 371344, 464180, 649852, 812315, 928360, 1299704, 1624630, 1856720, 2599408, 3249260, 6498520, 12997040]

約数ペア:

[(1, 12997040), (2, 6498520), (4, 3249260), (5, 2599408), (7, 1856720), (8, 1624630), (10, 1299704), (14, 928360), (16, 812315), (20, 649852), (28, 464180), (35, 371344), (40, 324926), (56, 232090), (70, 185672), (80, 162463), (112, 116045), (140, 92836), (280, 46418), (560, 23209)]