25982660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 60238080

約数和(自身を除く): 34255420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1327, 1780, 1958, 2654, 3916, 4895, 5308, 6635, 9790, 13270, 14597, 19580, 26540, 29194, 58388, 72985, 118103, 145970, 236206, 291940, 472412, 590515, 1181030, 1299133, 2362060, 2598266, 5196532, 6495665, 12991330, 25982660]

約数ペア:

[(1, 25982660), (2, 12991330), (4, 6495665), (5, 5196532), (10, 2598266), (11, 2362060), (20, 1299133), (22, 1181030), (44, 590515), (55, 472412), (89, 291940), (110, 236206), (178, 145970), (220, 118103), (356, 72985), (445, 58388), (890, 29194), (979, 26540), (1327, 19580), (1780, 14597), (1958, 13270), (2654, 9790), (3916, 6635), (4895, 5308)]