13173800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 30876000

約数和(自身を除く): 17702200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 331, 398, 662, 796, 995, 1324, 1592, 1655, 1990, 2648, 3310, 3980, 4975, 6620, 7960, 8275, 9950, 13240, 16550, 19900, 33100, 39800, 65869, 66200, 131738, 263476, 329345, 526952, 658690, 1317380, 1646725, 2634760, 3293450, 6586900, 13173800]

約数ペア:

[(1, 13173800), (2, 6586900), (4, 3293450), (5, 2634760), (8, 1646725), (10, 1317380), (20, 658690), (25, 526952), (40, 329345), (50, 263476), (100, 131738), (199, 66200), (200, 65869), (331, 39800), (398, 33100), (662, 19900), (796, 16550), (995, 13240), (1324, 9950), (1592, 8275), (1655, 7960), (1990, 6620), (2648, 4975), (3310, 3980)]