53478620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 122689728

約数和(自身を除く): 69211108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2897, 3692, 4615, 5794, 9230, 11588, 14485, 18460, 28970, 37661, 57940, 75322, 150644, 188305, 205687, 376610, 411374, 753220, 822748, 1028435, 2056870, 2673931, 4113740, 5347862, 10695724, 13369655, 26739310, 53478620]

約数ペア:

[(1, 53478620), (2, 26739310), (4, 13369655), (5, 10695724), (10, 5347862), (13, 4113740), (20, 2673931), (26, 2056870), (52, 1028435), (65, 822748), (71, 753220), (130, 411374), (142, 376610), (260, 205687), (284, 188305), (355, 150644), (710, 75322), (923, 57940), (1420, 37661), (1846, 28970), (2897, 18460), (3692, 14485), (4615, 11588), (5794, 9230)]