205749520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{43591}}^1$

素因数の和:43663

約数の個数: 40

約数和(自身を含む): 486486720

約数和(自身を除く): 280737200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 43591, 87182, 174364, 217955, 348728, 435910, 697456, 871820, 1743640, 2571869, 3487280, 5143738, 10287476, 12859345, 20574952, 25718690, 41149904, 51437380, 102874760, 205749520]

約数ペア:

[(1, 205749520), (2, 102874760), (4, 51437380), (5, 41149904), (8, 25718690), (10, 20574952), (16, 12859345), (20, 10287476), (40, 5143738), (59, 3487280), (80, 2571869), (118, 1743640), (236, 871820), (295, 697456), (472, 435910), (590, 348728), (944, 217955), (1180, 174364), (2360, 87182), (4720, 43591)]