12640880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22573}}^1$

素因数の和:22593

約数の個数: 40

約数和(自身を含む): 33590112

約数和(自身を除く): 20949232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22573, 45146, 90292, 112865, 158011, 180584, 225730, 316022, 361168, 451460, 632044, 790055, 902920, 1264088, 1580110, 1805840, 2528176, 3160220, 6320440, 12640880]

約数ペア:

[(1, 12640880), (2, 6320440), (4, 3160220), (5, 2528176), (7, 1805840), (8, 1580110), (10, 1264088), (14, 902920), (16, 790055), (20, 632044), (28, 451460), (35, 361168), (40, 316022), (56, 225730), (70, 180584), (80, 158011), (112, 112865), (140, 90292), (280, 45146), (560, 22573)]