64565020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8563}}^1$

素因数の和:8614

約数の個数: 48

約数和(自身を含む): 151068960

約数和(自身を除く): 86503940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 8563, 17126, 34252, 42815, 85630, 111319, 171260, 222638, 248327, 445276, 496654, 556595, 993308, 1113190, 1241635, 2226380, 2483270, 3228251, 4966540, 6456502, 12913004, 16141255, 32282510, 64565020]

約数ペア:

[(1, 64565020), (2, 32282510), (4, 16141255), (5, 12913004), (10, 6456502), (13, 4966540), (20, 3228251), (26, 2483270), (29, 2226380), (52, 1241635), (58, 1113190), (65, 993308), (116, 556595), (130, 496654), (145, 445276), (260, 248327), (290, 222638), (377, 171260), (580, 111319), (754, 85630), (1508, 42815), (1885, 34252), (3770, 17126), (7540, 8563)]