65165980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 150433920

約数和(自身を除く): 85267940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2131, 2780, 3058, 4262, 6116, 7645, 8524, 10655, 15290, 21310, 23441, 30580, 42620, 46882, 93764, 117205, 234410, 296209, 468820, 592418, 1184836, 1481045, 2962090, 3258299, 5924180, 6516598, 13033196, 16291495, 32582990, 65165980]

約数ペア:

[(1, 65165980), (2, 32582990), (4, 16291495), (5, 13033196), (10, 6516598), (11, 5924180), (20, 3258299), (22, 2962090), (44, 1481045), (55, 1184836), (110, 592418), (139, 468820), (220, 296209), (278, 234410), (556, 117205), (695, 93764), (1390, 46882), (1529, 42620), (2131, 30580), (2780, 23441), (3058, 21310), (4262, 15290), (6116, 10655), (7645, 8524)]