125993180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 280748160

約数和(自身を除く): 154754980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2531, 2620, 4978, 5062, 9956, 10124, 12445, 12655, 24890, 25310, 48089, 49780, 50620, 96178, 192356, 240445, 331561, 480890, 663122, 961780, 1326244, 1657805, 3315610, 6299659, 6631220, 12599318, 25198636, 31498295, 62996590, 125993180]

約数ペア:

[(1, 125993180), (2, 62996590), (4, 31498295), (5, 25198636), (10, 12599318), (19, 6631220), (20, 6299659), (38, 3315610), (76, 1657805), (95, 1326244), (131, 961780), (190, 663122), (262, 480890), (380, 331561), (524, 240445), (655, 192356), (1310, 96178), (2489, 50620), (2531, 49780), (2620, 48089), (4978, 25310), (5062, 24890), (9956, 12655), (10124, 12445)]