39287120

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1237}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 91646664

約数和(自身を除く): 52359544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1237, 1588, 1985, 2474, 3176, 3970, 4948, 6185, 6352, 7940, 9896, 12370, 15880, 19792, 24740, 31760, 49480, 98960, 491089, 982178, 1964356, 2455445, 3928712, 4910890, 7857424, 9821780, 19643560, 39287120]

約数ペア:

[(1, 39287120), (2, 19643560), (4, 9821780), (5, 7857424), (8, 4910890), (10, 3928712), (16, 2455445), (20, 1964356), (40, 982178), (80, 491089), (397, 98960), (794, 49480), (1237, 31760), (1588, 24740), (1985, 19792), (2474, 15880), (3176, 12370), (3970, 9896), (4948, 7940), (6185, 6352)]