66783800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 156519000

約数和(自身を除く): 89735200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2549, 2620, 3275, 5098, 5240, 6550, 10196, 12745, 13100, 20392, 25490, 26200, 50980, 63725, 101960, 127450, 254900, 333919, 509800, 667838, 1335676, 1669595, 2671352, 3339190, 6678380, 8347975, 13356760, 16695950, 33391900, 66783800]

約数ペア:

[(1, 66783800), (2, 33391900), (4, 16695950), (5, 13356760), (8, 8347975), (10, 6678380), (20, 3339190), (25, 2671352), (40, 1669595), (50, 1335676), (100, 667838), (131, 509800), (200, 333919), (262, 254900), (524, 127450), (655, 101960), (1048, 63725), (1310, 50980), (2549, 26200), (2620, 25490), (3275, 20392), (5098, 13100), (5240, 12745), (6550, 10196)]