56286580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 135555840

約数和(自身を除く): 79269260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 983, 1636, 1966, 2045, 2863, 3932, 4090, 4915, 5726, 6881, 8180, 9830, 11452, 13762, 14315, 19660, 27524, 28630, 34405, 57260, 68810, 137620, 402047, 804094, 1608188, 2010235, 2814329, 4020470, 5628658, 8040940, 11257316, 14071645, 28143290, 56286580]

約数ペア:

[(1, 56286580), (2, 28143290), (4, 14071645), (5, 11257316), (7, 8040940), (10, 5628658), (14, 4020470), (20, 2814329), (28, 2010235), (35, 1608188), (70, 804094), (140, 402047), (409, 137620), (818, 68810), (983, 57260), (1636, 34405), (1966, 28630), (2045, 27524), (2863, 19660), (3932, 14315), (4090, 13762), (4915, 11452), (5726, 9830), (6881, 8180)]