57283960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16091}}^1$

素因数の和:16191

約数の個数: 32

約数和(自身を含む): 130345200

約数和(自身を除く): 73061240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 16091, 32182, 64364, 80455, 128728, 160910, 321820, 643640, 1432099, 2864198, 5728396, 7160495, 11456792, 14320990, 28641980, 57283960]

約数ペア:

[(1, 57283960), (2, 28641980), (4, 14320990), (5, 11456792), (8, 7160495), (10, 5728396), (20, 2864198), (40, 1432099), (89, 643640), (178, 321820), (356, 160910), (445, 128728), (712, 80455), (890, 64364), (1780, 32182), (3560, 16091)]