202442960

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28433}}^1$

素因数の和:28535

約数の個数: 40

約数和(自身を含む): 475985160

約数和(自身を除く): 273542200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28433, 56866, 113732, 142165, 227464, 284330, 454928, 568660, 1137320, 2274640, 2530537, 5061074, 10122148, 12652685, 20244296, 25305370, 40488592, 50610740, 101221480, 202442960]

約数ペア:

[(1, 202442960), (2, 101221480), (4, 50610740), (5, 40488592), (8, 25305370), (10, 20244296), (16, 12652685), (20, 10122148), (40, 5061074), (80, 2530537), (89, 2274640), (178, 1137320), (356, 568660), (445, 454928), (712, 284330), (890, 227464), (1424, 142165), (1780, 113732), (3560, 56866), (7120, 28433)]