15019640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4219}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 34182000

約数和(自身を除く): 19162360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4219, 8438, 16876, 21095, 33752, 42190, 84380, 168760, 375491, 750982, 1501964, 1877455, 3003928, 3754910, 7509820, 15019640]

約数ペア:

[(1, 15019640), (2, 7509820), (4, 3754910), (5, 3003928), (8, 1877455), (10, 1501964), (20, 750982), (40, 375491), (89, 168760), (178, 84380), (356, 42190), (445, 33752), (712, 21095), (890, 16876), (1780, 8438), (3560, 4219)]