40106960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 97225920

約数和(自身を除く): 57118960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 131, 172, 178, 215, 262, 344, 356, 430, 445, 524, 655, 688, 712, 860, 890, 1048, 1310, 1424, 1720, 1780, 2096, 2620, 3440, 3560, 3827, 5240, 5633, 7120, 7654, 10480, 11266, 11659, 15308, 19135, 22532, 23318, 28165, 30616, 38270, 45064, 46636, 56330, 58295, 61232, 76540, 90128, 93272, 112660, 116590, 153080, 186544, 225320, 233180, 306160, 450640, 466360, 501337, 932720, 1002674, 2005348, 2506685, 4010696, 5013370, 8021392, 10026740, 20053480, 40106960]

約数ペア:

[(1, 40106960), (2, 20053480), (4, 10026740), (5, 8021392), (8, 5013370), (10, 4010696), (16, 2506685), (20, 2005348), (40, 1002674), (43, 932720), (80, 501337), (86, 466360), (89, 450640), (131, 306160), (172, 233180), (178, 225320), (215, 186544), (262, 153080), (344, 116590), (356, 112660), (430, 93272), (445, 90128), (524, 76540), (655, 61232), (688, 58295), (712, 56330), (860, 46636), (890, 45064), (1048, 38270), (1310, 30616), (1424, 28165), (1720, 23318), (1780, 22532), (2096, 19135), (2620, 15308), (3440, 11659), (3560, 11266), (3827, 10480), (5240, 7654), (5633, 7120)]