28039990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11083}}^1$

素因数の和:11124

約数の個数: 32

約数和(自身を含む): 57459456

約数和(自身を除く): 29419466

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 11083, 22166, 55415, 110830, 121913, 243826, 254909, 509818, 609565, 1219130, 1274545, 2549090, 2803999, 5607998, 14019995, 28039990]

約数ペア:

[(1, 28039990), (2, 14019995), (5, 5607998), (10, 2803999), (11, 2549090), (22, 1274545), (23, 1219130), (46, 609565), (55, 509818), (110, 254909), (115, 243826), (230, 121913), (253, 110830), (506, 55415), (1265, 22166), (2530, 11083)]