13238900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3229}}^1$

素因数の和:3284

約数の個数: 36

約数和(自身を含む): 29438220

約数和(自身を除く): 16199320

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 3229, 4100, 6458, 12916, 16145, 32290, 64580, 80725, 132389, 161450, 264778, 322900, 529556, 661945, 1323890, 2647780, 3309725, 6619450, 13238900]

約数ペア:

[(1, 13238900), (2, 6619450), (4, 3309725), (5, 2647780), (10, 1323890), (20, 661945), (25, 529556), (41, 322900), (50, 264778), (82, 161450), (100, 132389), (164, 80725), (205, 64580), (410, 32290), (820, 16145), (1025, 12916), (2050, 6458), (3229, 4100)]