13251560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6761}}^1$

素因数の和:6786

約数の個数: 48

約数和(自身を含む): 34689060

約数和(自身を除く): 21437500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6761, 13522, 27044, 33805, 47327, 54088, 67610, 94654, 135220, 189308, 236635, 270440, 331289, 378616, 473270, 662578, 946540, 1325156, 1656445, 1893080, 2650312, 3312890, 6625780, 13251560]

約数ペア:

[(1, 13251560), (2, 6625780), (4, 3312890), (5, 2650312), (7, 1893080), (8, 1656445), (10, 1325156), (14, 946540), (20, 662578), (28, 473270), (35, 378616), (40, 331289), (49, 270440), (56, 236635), (70, 189308), (98, 135220), (140, 94654), (196, 67610), (245, 54088), (280, 47327), (392, 33805), (490, 27044), (980, 13522), (1960, 6761)]