56342260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 128419200

約数和(自身を除く): 72076940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1559, 1807, 2780, 3118, 3614, 6236, 7228, 7795, 9035, 15590, 18070, 20267, 31180, 36140, 40534, 81068, 101335, 202670, 216701, 405340, 433402, 866804, 1083505, 2167010, 2817113, 4334020, 5634226, 11268452, 14085565, 28171130, 56342260]

約数ペア:

[(1, 56342260), (2, 28171130), (4, 14085565), (5, 11268452), (10, 5634226), (13, 4334020), (20, 2817113), (26, 2167010), (52, 1083505), (65, 866804), (130, 433402), (139, 405340), (260, 216701), (278, 202670), (556, 101335), (695, 81068), (1390, 40534), (1559, 36140), (1807, 31180), (2780, 20267), (3118, 18070), (3614, 15590), (6236, 9035), (7228, 7795)]