205722680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97039}}^1$

素因数の和:97103

約数の個数: 32

約数和(自身を含む): 471614400

約数和(自身を除く): 265891720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 97039, 194078, 388156, 485195, 776312, 970390, 1940780, 3881560, 5143067, 10286134, 20572268, 25715335, 41144536, 51430670, 102861340, 205722680]

約数ペア:

[(1, 205722680), (2, 102861340), (4, 51430670), (5, 41144536), (8, 25715335), (10, 20572268), (20, 10286134), (40, 5143067), (53, 3881560), (106, 1940780), (212, 970390), (265, 776312), (424, 485195), (530, 388156), (1060, 194078), (2120, 97039)]