8011960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11946440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 139, 220, 262, 278, 440, 524, 556, 655, 695, 1048, 1112, 1310, 1390, 1441, 1529, 2620, 2780, 2882, 3058, 5240, 5560, 5764, 6116, 7205, 7645, 11528, 12232, 14410, 15290, 18209, 28820, 30580, 36418, 57640, 61160, 72836, 91045, 145672, 182090, 200299, 364180, 400598, 728360, 801196, 1001495, 1602392, 2002990, 4005980, 8011960]

約数ペア:

[(1, 8011960), (2, 4005980), (4, 2002990), (5, 1602392), (8, 1001495), (10, 801196), (11, 728360), (20, 400598), (22, 364180), (40, 200299), (44, 182090), (55, 145672), (88, 91045), (110, 72836), (131, 61160), (139, 57640), (220, 36418), (262, 30580), (278, 28820), (440, 18209), (524, 15290), (556, 14410), (655, 12232), (695, 11528), (1048, 7645), (1112, 7205), (1310, 6116), (1390, 5764), (1441, 5560), (1529, 5240), (2620, 3058), (2780, 2882)]