1908469040

素因数分解:

$2^4\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{8117}}^1$

素因数の和:11069

約数の個数: 40

約数和(自身を含む): 4439247120

約数和(自身を除く): 2530778080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2939, 5878, 8117, 11756, 14695, 16234, 23512, 29390, 32468, 40585, 47024, 58780, 64936, 81170, 117560, 129872, 162340, 235120, 324680, 649360, 23855863, 47711726, 95423452, 119279315, 190846904, 238558630, 381693808, 477117260, 954234520, 1908469040]

約数ペア:

[(1, 1908469040), (2, 954234520), (4, 477117260), (5, 381693808), (8, 238558630), (10, 190846904), (16, 119279315), (20, 95423452), (40, 47711726), (80, 23855863), (2939, 649360), (5878, 324680), (8117, 235120), (11756, 162340), (14695, 129872), (16234, 117560), (23512, 81170), (29390, 64936), (32468, 58780), (40585, 47024)]