80946500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 178716720

約数和(自身を除く): 97770220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 970, 1669, 1940, 2425, 3338, 4850, 6676, 8345, 9700, 12125, 16690, 24250, 33380, 41725, 48500, 83450, 161893, 166900, 208625, 323786, 417250, 647572, 809465, 834500, 1618930, 3237860, 4047325, 8094650, 16189300, 20236625, 40473250, 80946500]

約数ペア:

[(1, 80946500), (2, 40473250), (4, 20236625), (5, 16189300), (10, 8094650), (20, 4047325), (25, 3237860), (50, 1618930), (97, 834500), (100, 809465), (125, 647572), (194, 417250), (250, 323786), (388, 208625), (485, 166900), (500, 161893), (970, 83450), (1669, 48500), (1940, 41725), (2425, 33380), (3338, 24250), (4850, 16690), (6676, 12125), (8345, 9700)]