13013800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 31248000

約数和(自身を除く): 18234200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2099, 3100, 4198, 6200, 8396, 10495, 16792, 20990, 41980, 52475, 65069, 83960, 104950, 130138, 209900, 260276, 325345, 419800, 520552, 650690, 1301380, 1626725, 2602760, 3253450, 6506900, 13013800]

約数ペア:

[(1, 13013800), (2, 6506900), (4, 3253450), (5, 2602760), (8, 1626725), (10, 1301380), (20, 650690), (25, 520552), (31, 419800), (40, 325345), (50, 260276), (62, 209900), (100, 130138), (124, 104950), (155, 83960), (200, 65069), (248, 52475), (310, 41980), (620, 20990), (775, 16792), (1240, 10495), (1550, 8396), (2099, 6200), (3100, 4198)]