66511600

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:922

約数の個数: 60

約数和(自身を含む): 160663824

約数和(自身を除く): 94152224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 647, 1028, 1285, 1294, 2056, 2570, 2588, 3235, 4112, 5140, 5176, 6425, 6470, 10280, 10352, 12850, 12940, 16175, 20560, 25700, 25880, 32350, 51400, 51760, 64700, 102800, 129400, 166279, 258800, 332558, 665116, 831395, 1330232, 1662790, 2660464, 3325580, 4156975, 6651160, 8313950, 13302320, 16627900, 33255800, 66511600]

約数ペア:

[(1, 66511600), (2, 33255800), (4, 16627900), (5, 13302320), (8, 8313950), (10, 6651160), (16, 4156975), (20, 3325580), (25, 2660464), (40, 1662790), (50, 1330232), (80, 831395), (100, 665116), (200, 332558), (257, 258800), (400, 166279), (514, 129400), (647, 102800), (1028, 64700), (1285, 51760), (1294, 51400), (2056, 32350), (2570, 25880), (2588, 25700), (3235, 20560), (4112, 16175), (5140, 12940), (5176, 12850), (6425, 10352), (6470, 10280)]