22981660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 52397856

約数和(自身を除く): 29416196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 563, 628, 785, 1126, 1570, 2041, 2252, 2815, 3140, 4082, 5630, 7319, 8164, 10205, 11260, 14638, 20410, 29276, 36595, 40820, 73190, 88391, 146380, 176782, 353564, 441955, 883910, 1149083, 1767820, 2298166, 4596332, 5745415, 11490830, 22981660]

約数ペア:

[(1, 22981660), (2, 11490830), (4, 5745415), (5, 4596332), (10, 2298166), (13, 1767820), (20, 1149083), (26, 883910), (52, 441955), (65, 353564), (130, 176782), (157, 146380), (260, 88391), (314, 73190), (563, 40820), (628, 36595), (785, 29276), (1126, 20410), (1570, 14638), (2041, 11260), (2252, 10205), (2815, 8164), (3140, 7319), (4082, 5630)]