80167780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52057}}^1$

素因数の和:52084

約数の個数: 48

約数和(自身を含む): 209897856

約数和(自身を除く): 129730076

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, 52057, 104114, 208228, 260285, 364399, 520570, 572627, 728798, 1041140, 1145254, 1457596, 1821995, 2290508, 2863135, 3643990, 4008389, 5726270, 7287980, 8016778, 11452540, 16033556, 20041945, 40083890, 80167780]

約数ペア:

[(1, 80167780), (2, 40083890), (4, 20041945), (5, 16033556), (7, 11452540), (10, 8016778), (11, 7287980), (14, 5726270), (20, 4008389), (22, 3643990), (28, 2863135), (35, 2290508), (44, 1821995), (55, 1457596), (70, 1145254), (77, 1041140), (110, 728798), (140, 572627), (154, 520570), (220, 364399), (308, 260285), (385, 208228), (770, 104114), (1540, 52057)]