13389500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 16400260

約数列:

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

約数ペア:

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