28245560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14411}}^1$

素因数の和:14436

約数の個数: 48

約数和(自身を含む): 73933560

約数和(自身を除く): 45688000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14411, 28822, 57644, 72055, 100877, 115288, 144110, 201754, 288220, 403508, 504385, 576440, 706139, 807016, 1008770, 1412278, 2017540, 2824556, 3530695, 4035080, 5649112, 7061390, 14122780, 28245560]

約数ペア:

[(1, 28245560), (2, 14122780), (4, 7061390), (5, 5649112), (7, 4035080), (8, 3530695), (10, 2824556), (14, 2017540), (20, 1412278), (28, 1008770), (35, 807016), (40, 706139), (49, 576440), (56, 504385), (70, 403508), (98, 288220), (140, 201754), (196, 144110), (245, 115288), (280, 100877), (392, 72055), (490, 57644), (980, 28822), (1960, 14411)]