55264460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 64485940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 359, 430, 716, 718, 860, 895, 1436, 1790, 1795, 3580, 3590, 7180, 7697, 15394, 15437, 30788, 30874, 38485, 61748, 64261, 76970, 77185, 128522, 153940, 154370, 257044, 308740, 321305, 642610, 1285220, 2763223, 5526446, 11052892, 13816115, 27632230, 55264460]

約数ペア:

[(1, 55264460), (2, 27632230), (4, 13816115), (5, 11052892), (10, 5526446), (20, 2763223), (43, 1285220), (86, 642610), (172, 321305), (179, 308740), (215, 257044), (358, 154370), (359, 153940), (430, 128522), (716, 77185), (718, 76970), (860, 64261), (895, 61748), (1436, 38485), (1790, 30874), (1795, 30788), (3580, 15437), (3590, 15394), (7180, 7697)]