90008960

素因数分解:

$2^7\times 5^1\times {\mathrm{140639}}^1$

素因数の和:140658

約数の個数: 32

約数和(自身を含む): 215179200

約数和(自身を除く): 125170240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 140639, 281278, 562556, 703195, 1125112, 1406390, 2250224, 2812780, 4500448, 5625560, 9000896, 11251120, 18001792, 22502240, 45004480, 90008960]

約数ペア:

[(1, 90008960), (2, 45004480), (4, 22502240), (5, 18001792), (8, 11251120), (10, 9000896), (16, 5625560), (20, 4500448), (32, 2812780), (40, 2250224), (64, 1406390), (80, 1125112), (128, 703195), (160, 562556), (320, 281278), (640, 140639)]