55271720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 143510400

約数和(自身を除く): 88238680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 1811, 2180, 3052, 3622, 3815, 4360, 6104, 7244, 7630, 9055, 12677, 14488, 15260, 18110, 25354, 30520, 36220, 50708, 63385, 72440, 101416, 126770, 197399, 253540, 394798, 507080, 789596, 986995, 1381793, 1579192, 1973990, 2763586, 3947980, 5527172, 6908965, 7895960, 11054344, 13817930, 27635860, 55271720]

約数ペア:

[(1, 55271720), (2, 27635860), (4, 13817930), (5, 11054344), (7, 7895960), (8, 6908965), (10, 5527172), (14, 3947980), (20, 2763586), (28, 1973990), (35, 1579192), (40, 1381793), (56, 986995), (70, 789596), (109, 507080), (140, 394798), (218, 253540), (280, 197399), (436, 126770), (545, 101416), (763, 72440), (872, 63385), (1090, 50708), (1526, 36220), (1811, 30520), (2180, 25354), (3052, 18110), (3622, 15260), (3815, 14488), (4360, 12677), (6104, 9055), (7244, 7630)]