2562890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 5256576

約数和(自身を除く): 2693686

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1013, 1265, 2026, 2530, 5065, 10130, 11143, 22286, 23299, 46598, 55715, 111430, 116495, 232990, 256289, 512578, 1281445, 2562890]

約数ペア:

[(1, 2562890), (2, 1281445), (5, 512578), (10, 256289), (11, 232990), (22, 116495), (23, 111430), (46, 55715), (55, 46598), (110, 23299), (115, 22286), (230, 11143), (253, 10130), (506, 5065), (1013, 2530), (1265, 2026)]