55639420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 123475968

約数和(自身を除く): 67836548

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2087, 2666, 4174, 5332, 6665, 8348, 10435, 13330, 20870, 26660, 41740, 64697, 89741, 129394, 179482, 258788, 323485, 358964, 448705, 646970, 897410, 1293940, 1794820, 2781971, 5563942, 11127884, 13909855, 27819710, 55639420]

約数ペア:

[(1, 55639420), (2, 27819710), (4, 13909855), (5, 11127884), (10, 5563942), (20, 2781971), (31, 1794820), (43, 1293940), (62, 897410), (86, 646970), (124, 448705), (155, 358964), (172, 323485), (215, 258788), (310, 179482), (430, 129394), (620, 89741), (860, 64697), (1333, 41740), (2087, 26660), (2666, 20870), (4174, 13330), (5332, 10435), (6665, 8348)]