12402474040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28187441}}^1$

素因数の和:28187463

約数の個数: 32

約数和(自身を含む): 30442437360

約数和(自身を除く): 18039963320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28187441, 56374882, 112749764, 140937205, 225499528, 281874410, 310061851, 563748820, 620123702, 1127497640, 1240247404, 1550309255, 2480494808, 3100618510, 6201237020, 12402474040]

約数ペア:

[(1, 12402474040), (2, 6201237020), (4, 3100618510), (5, 2480494808), (8, 1550309255), (10, 1240247404), (11, 1127497640), (20, 620123702), (22, 563748820), (40, 310061851), (44, 281874410), (55, 225499528), (88, 140937205), (110, 112749764), (220, 56374882), (440, 28187441)]