57247240

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1571}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 129029760

約数和(自身を除く): 71782520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1571, 1822, 3142, 3644, 4555, 6284, 7288, 7855, 9110, 12568, 15710, 18220, 31420, 36440, 62840, 1431181, 2862362, 5724724, 7155905, 11449448, 14311810, 28623620, 57247240]

約数ペア:

[(1, 57247240), (2, 28623620), (4, 14311810), (5, 11449448), (8, 7155905), (10, 5724724), (20, 2862362), (40, 1431181), (911, 62840), (1571, 36440), (1822, 31420), (3142, 18220), (3644, 15710), (4555, 12568), (6284, 9110), (7288, 7855)]