12942460

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{991}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 27248256

約数和(自身を除く): 14305796

約数列:

[1, 2, 4, 5, 10, 20, 653, 991, 1306, 1982, 2612, 3265, 3964, 4955, 6530, 9910, 13060, 19820, 647123, 1294246, 2588492, 3235615, 6471230, 12942460]

約数ペア:

[(1, 12942460), (2, 6471230), (4, 3235615), (5, 2588492), (10, 1294246), (20, 647123), (653, 19820), (991, 13060), (1306, 9910), (1982, 6530), (2612, 4955), (3265, 3964)]