65380040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1069}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 161784000

約数和(自身を除く): 96403960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1069, 1112, 1390, 1529, 2138, 2780, 3058, 4276, 5345, 5560, 6116, 7645, 8552, 10690, 11759, 12232, 15290, 21380, 23518, 30580, 42760, 47036, 58795, 61160, 94072, 117590, 148591, 235180, 297182, 470360, 594364, 742955, 1188728, 1485910, 1634501, 2971820, 3269002, 5943640, 6538004, 8172505, 13076008, 16345010, 32690020, 65380040]

約数ペア:

[(1, 65380040), (2, 32690020), (4, 16345010), (5, 13076008), (8, 8172505), (10, 6538004), (11, 5943640), (20, 3269002), (22, 2971820), (40, 1634501), (44, 1485910), (55, 1188728), (88, 742955), (110, 594364), (139, 470360), (220, 297182), (278, 235180), (440, 148591), (556, 117590), (695, 94072), (1069, 61160), (1112, 58795), (1390, 47036), (1529, 42760), (2138, 30580), (2780, 23518), (3058, 21380), (4276, 15290), (5345, 12232), (5560, 11759), (6116, 10690), (7645, 8552)]