13331800

素因数分解:

$2^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 31248000

約数和(自身を除く): 17916200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 191, 200, 349, 382, 698, 764, 955, 1396, 1528, 1745, 1910, 2792, 3490, 3820, 4775, 6980, 7640, 8725, 9550, 13960, 17450, 19100, 34900, 38200, 66659, 69800, 133318, 266636, 333295, 533272, 666590, 1333180, 1666475, 2666360, 3332950, 6665900, 13331800]

約数ペア:

[(1, 13331800), (2, 6665900), (4, 3332950), (5, 2666360), (8, 1666475), (10, 1333180), (20, 666590), (25, 533272), (40, 333295), (50, 266636), (100, 133318), (191, 69800), (200, 66659), (349, 38200), (382, 34900), (698, 19100), (764, 17450), (955, 13960), (1396, 9550), (1528, 8725), (1745, 7640), (1910, 6980), (2792, 4775), (3490, 3820)]