66371720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1973}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 154741860

約数和(自身を除く): 88370140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 1973, 3364, 3946, 4205, 6728, 7892, 8410, 9865, 15784, 16820, 19730, 33640, 39460, 57217, 78920, 114434, 228868, 286085, 457736, 572170, 1144340, 1659293, 2288680, 3318586, 6637172, 8296465, 13274344, 16592930, 33185860, 66371720]

約数ペア:

[(1, 66371720), (2, 33185860), (4, 16592930), (5, 13274344), (8, 8296465), (10, 6637172), (20, 3318586), (29, 2288680), (40, 1659293), (58, 1144340), (116, 572170), (145, 457736), (232, 286085), (290, 228868), (580, 114434), (841, 78920), (1160, 57217), (1682, 39460), (1973, 33640), (3364, 19730), (3946, 16820), (4205, 15784), (6728, 9865), (7892, 8410)]