12786980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7703}}^1$

素因数の和:7795

約数の個数: 24

約数和(自身を含む): 27179712

約数和(自身を除く): 14392732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 7703, 15406, 30812, 38515, 77030, 154060, 639349, 1278698, 2557396, 3196745, 6393490, 12786980]

約数ペア:

[(1, 12786980), (2, 6393490), (4, 3196745), (5, 2557396), (10, 1278698), (20, 639349), (83, 154060), (166, 77030), (332, 38515), (415, 30812), (830, 15406), (1660, 7703)]