55398620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 122330208

約数和(自身を除く): 66931588

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 1741, 3182, 3482, 6364, 6964, 7955, 8705, 15910, 17410, 31820, 34820, 64417, 74863, 128834, 149726, 257668, 299452, 322085, 374315, 644170, 748630, 1288340, 1497260, 2769931, 5539862, 11079724, 13849655, 27699310, 55398620]

約数ペア:

[(1, 55398620), (2, 27699310), (4, 13849655), (5, 11079724), (10, 5539862), (20, 2769931), (37, 1497260), (43, 1288340), (74, 748630), (86, 644170), (148, 374315), (172, 322085), (185, 299452), (215, 257668), (370, 149726), (430, 128834), (740, 74863), (860, 64417), (1591, 34820), (1741, 31820), (3182, 17410), (3482, 15910), (6364, 8705), (6964, 7955)]