64582180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 147188160

約数和(自身を除く): 82605980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1787, 1807, 2780, 3574, 3614, 7148, 7228, 8935, 9035, 17870, 18070, 23231, 35740, 36140, 46462, 92924, 116155, 232310, 248393, 464620, 496786, 993572, 1241965, 2483930, 3229109, 4967860, 6458218, 12916436, 16145545, 32291090, 64582180]

約数ペア:

[(1, 64582180), (2, 32291090), (4, 16145545), (5, 12916436), (10, 6458218), (13, 4967860), (20, 3229109), (26, 2483930), (52, 1241965), (65, 993572), (130, 496786), (139, 464620), (260, 248393), (278, 232310), (556, 116155), (695, 92924), (1390, 46462), (1787, 36140), (1807, 35740), (2780, 23231), (3574, 18070), (3614, 17870), (7148, 9035), (7228, 8935)]