27357980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 62398560

約数和(自身を除く): 35040580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 757, 1390, 1514, 1807, 2780, 3028, 3614, 3785, 7228, 7570, 9035, 9841, 15140, 18070, 19682, 36140, 39364, 49205, 98410, 105223, 196820, 210446, 420892, 526115, 1052230, 1367899, 2104460, 2735798, 5471596, 6839495, 13678990, 27357980]

約数ペア:

[(1, 27357980), (2, 13678990), (4, 6839495), (5, 5471596), (10, 2735798), (13, 2104460), (20, 1367899), (26, 1052230), (52, 526115), (65, 420892), (130, 210446), (139, 196820), (260, 105223), (278, 98410), (556, 49205), (695, 39364), (757, 36140), (1390, 19682), (1514, 18070), (1807, 15140), (2780, 9841), (3028, 9035), (3614, 7570), (3785, 7228)]