22280180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 28899340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1279, 1340, 1742, 2558, 3484, 4355, 5116, 6395, 8710, 12790, 16627, 17420, 25580, 33254, 66508, 83135, 85693, 166270, 171386, 332540, 342772, 428465, 856930, 1114009, 1713860, 2228018, 4456036, 5570045, 11140090, 22280180]

約数ペア:

[(1, 22280180), (2, 11140090), (4, 5570045), (5, 4456036), (10, 2228018), (13, 1713860), (20, 1114009), (26, 856930), (52, 428465), (65, 342772), (67, 332540), (130, 171386), (134, 166270), (260, 85693), (268, 83135), (335, 66508), (670, 33254), (871, 25580), (1279, 17420), (1340, 16627), (1742, 12790), (2558, 8710), (3484, 6395), (4355, 5116)]