66947500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 60

約数和(自身を含む): 149139760

約数和(自身を除く): 82192260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 439, 500, 610, 625, 878, 1220, 1250, 1525, 1756, 2195, 2500, 3050, 4390, 6100, 7625, 8780, 10975, 15250, 21950, 26779, 30500, 38125, 43900, 53558, 54875, 76250, 107116, 109750, 133895, 152500, 219500, 267790, 274375, 535580, 548750, 669475, 1097500, 1338950, 2677900, 3347375, 6694750, 13389500, 16736875, 33473750, 66947500]

約数ペア:

[(1, 66947500), (2, 33473750), (4, 16736875), (5, 13389500), (10, 6694750), (20, 3347375), (25, 2677900), (50, 1338950), (61, 1097500), (100, 669475), (122, 548750), (125, 535580), (244, 274375), (250, 267790), (305, 219500), (439, 152500), (500, 133895), (610, 109750), (625, 107116), (878, 76250), (1220, 54875), (1250, 53558), (1525, 43900), (1756, 38125), (2195, 30500), (2500, 26779), (3050, 21950), (4390, 15250), (6100, 10975), (7625, 8780)]