1615400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 3866940

約数和(自身を除く): 2251540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 197, 200, 205, 328, 394, 410, 788, 820, 985, 1025, 1576, 1640, 1970, 2050, 3940, 4100, 4925, 7880, 8077, 8200, 9850, 16154, 19700, 32308, 39400, 40385, 64616, 80770, 161540, 201925, 323080, 403850, 807700, 1615400]

約数ペア:

[(1, 1615400), (2, 807700), (4, 403850), (5, 323080), (8, 201925), (10, 161540), (20, 80770), (25, 64616), (40, 40385), (41, 39400), (50, 32308), (82, 19700), (100, 16154), (164, 9850), (197, 8200), (200, 8077), (205, 7880), (328, 4925), (394, 4100), (410, 3940), (788, 2050), (820, 1970), (985, 1640), (1025, 1576)]