13156220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8543}}^1$

素因数の和:8570

約数の個数: 48

約数和(自身を含む): 34449408

約数和(自身を除く): 21293188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8543, 17086, 34172, 42715, 59801, 85430, 93973, 119602, 170860, 187946, 239204, 299005, 375892, 469865, 598010, 657811, 939730, 1196020, 1315622, 1879460, 2631244, 3289055, 6578110, 13156220]

約数ペア:

[(1, 13156220), (2, 6578110), (4, 3289055), (5, 2631244), (7, 1879460), (10, 1315622), (11, 1196020), (14, 939730), (20, 657811), (22, 598010), (28, 469865), (35, 375892), (44, 299005), (55, 239204), (70, 187946), (77, 170860), (110, 119602), (140, 93973), (154, 85430), (220, 59801), (308, 42715), (385, 34172), (770, 17086), (1540, 8543)]