66436540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 147571200

約数和(自身を除く): 81134660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 487, 718, 974, 1436, 1795, 1948, 2435, 3590, 4870, 6821, 7180, 9253, 9740, 13642, 18506, 27284, 34105, 37012, 46265, 68210, 92530, 136420, 174833, 185060, 349666, 699332, 874165, 1748330, 3321827, 3496660, 6643654, 13287308, 16609135, 33218270, 66436540]

約数ペア:

[(1, 66436540), (2, 33218270), (4, 16609135), (5, 13287308), (10, 6643654), (19, 3496660), (20, 3321827), (38, 1748330), (76, 874165), (95, 699332), (190, 349666), (359, 185060), (380, 174833), (487, 136420), (718, 92530), (974, 68210), (1436, 46265), (1795, 37012), (1948, 34105), (2435, 27284), (3590, 18506), (4870, 13642), (6821, 9740), (7180, 9253)]