66507800

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1723}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 155522040

約数和(自身を除く): 89014240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 386, 772, 965, 1544, 1723, 1930, 3446, 3860, 4825, 6892, 7720, 8615, 9650, 13784, 17230, 19300, 34460, 38600, 43075, 68920, 86150, 172300, 332539, 344600, 665078, 1330156, 1662695, 2660312, 3325390, 6650780, 8313475, 13301560, 16626950, 33253900, 66507800]

約数ペア:

[(1, 66507800), (2, 33253900), (4, 16626950), (5, 13301560), (8, 8313475), (10, 6650780), (20, 3325390), (25, 2660312), (40, 1662695), (50, 1330156), (100, 665078), (193, 344600), (200, 332539), (386, 172300), (772, 86150), (965, 68920), (1544, 43075), (1723, 38600), (1930, 34460), (3446, 19300), (3860, 17230), (4825, 13784), (6892, 9650), (7720, 8615)]