71250520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1951}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 105834920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1826, 1951, 3320, 3652, 3902, 4565, 7304, 7804, 9130, 9755, 15608, 18260, 19510, 21461, 36520, 39020, 42922, 78040, 85844, 107305, 161933, 171688, 214610, 323866, 429220, 647732, 809665, 858440, 1295464, 1619330, 1781263, 3238660, 3562526, 6477320, 7125052, 8906315, 14250104, 17812630, 35625260, 71250520]

約数ペア:

[(1, 71250520), (2, 35625260), (4, 17812630), (5, 14250104), (8, 8906315), (10, 7125052), (11, 6477320), (20, 3562526), (22, 3238660), (40, 1781263), (44, 1619330), (55, 1295464), (83, 858440), (88, 809665), (110, 647732), (166, 429220), (220, 323866), (332, 214610), (415, 171688), (440, 161933), (664, 107305), (830, 85844), (913, 78040), (1660, 42922), (1826, 39020), (1951, 36520), (3320, 21461), (3652, 19510), (3902, 18260), (4565, 15608), (7304, 9755), (7804, 9130)]