9880960

素因数分解:

$2^7\times 5^1\times {\mathrm{15439}}^1$

素因数の和:15458

約数の個数: 32

約数和(自身を含む): 23623200

約数和(自身を除く): 13742240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15439, 30878, 61756, 77195, 123512, 154390, 247024, 308780, 494048, 617560, 988096, 1235120, 1976192, 2470240, 4940480, 9880960]

約数ペア:

[(1, 9880960), (2, 4940480), (4, 2470240), (5, 1976192), (8, 1235120), (10, 988096), (16, 617560), (20, 494048), (32, 308780), (40, 247024), (64, 154390), (80, 123512), (128, 77195), (160, 61756), (320, 30878), (640, 15439)]