12897940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 17946860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 2549, 5060, 5098, 10196, 12745, 25490, 28039, 50980, 56078, 58627, 112156, 117254, 140195, 234508, 280390, 293135, 560780, 586270, 644897, 1172540, 1289794, 2579588, 3224485, 6448970, 12897940]

約数ペア:

[(1, 12897940), (2, 6448970), (4, 3224485), (5, 2579588), (10, 1289794), (11, 1172540), (20, 644897), (22, 586270), (23, 560780), (44, 293135), (46, 280390), (55, 234508), (92, 140195), (110, 117254), (115, 112156), (220, 58627), (230, 56078), (253, 50980), (460, 28039), (506, 25490), (1012, 12745), (1265, 10196), (2530, 5098), (2549, 5060)]