13564820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 29611008

約数和(自身を除く): 16046188

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 191, 212, 265, 268, 335, 382, 530, 670, 764, 955, 1060, 1340, 1910, 3551, 3820, 7102, 10123, 12797, 14204, 17755, 20246, 25594, 35510, 40492, 50615, 51188, 63985, 71020, 101230, 127970, 202460, 255940, 678241, 1356482, 2712964, 3391205, 6782410, 13564820]

約数ペア:

[(1, 13564820), (2, 6782410), (4, 3391205), (5, 2712964), (10, 1356482), (20, 678241), (53, 255940), (67, 202460), (106, 127970), (134, 101230), (191, 71020), (212, 63985), (265, 51188), (268, 50615), (335, 40492), (382, 35510), (530, 25594), (670, 20246), (764, 17755), (955, 14204), (1060, 12797), (1340, 10123), (1910, 7102), (3551, 3820)]