12867580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2543}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 30772224

約数和(自身を除く): 17904644

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, 2543, 5060, 5086, 10172, 12715, 25430, 27973, 50860, 55946, 58489, 111892, 116978, 139865, 233956, 279730, 292445, 559460, 584890, 643379, 1169780, 1286758, 2573516, 3216895, 6433790, 12867580]

約数ペア:

[(1, 12867580), (2, 6433790), (4, 3216895), (5, 2573516), (10, 1286758), (11, 1169780), (20, 643379), (22, 584890), (23, 559460), (44, 292445), (46, 279730), (55, 233956), (92, 139865), (110, 116978), (115, 111892), (220, 58489), (230, 55946), (253, 50860), (460, 27973), (506, 25430), (1012, 12715), (1265, 10172), (2530, 5086), (2543, 5060)]