12503140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 29776320

約数和(自身を除く): 17273180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2531, 4940, 5062, 10124, 12655, 25310, 32903, 48089, 50620, 65806, 96178, 131612, 164515, 192356, 240445, 329030, 480890, 625157, 658060, 961780, 1250314, 2500628, 3125785, 6251570, 12503140]

約数ペア:

[(1, 12503140), (2, 6251570), (4, 3125785), (5, 2500628), (10, 1250314), (13, 961780), (19, 658060), (20, 625157), (26, 480890), (38, 329030), (52, 240445), (65, 192356), (76, 164515), (95, 131612), (130, 96178), (190, 65806), (247, 50620), (260, 48089), (380, 32903), (494, 25310), (988, 12655), (1235, 10124), (2470, 5062), (2531, 4940)]