2180804555

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3551

約数の個数: 32

約数和(自身を含む): 2781535680

約数和(自身を除く): 600731125

約数列:

[1, 5, 41, 43, 73, 205, 215, 365, 1763, 2993, 3139, 3389, 8815, 14965, 15695, 16945, 128699, 138949, 145727, 247397, 643495, 694745, 728635, 1236985, 5974807, 10143277, 10638071, 29874035, 50716385, 53190355, 436160911, 2180804555]

約数ペア:

[(1, 2180804555), (5, 436160911), (41, 53190355), (43, 50716385), (73, 29874035), (205, 10638071), (215, 10143277), (365, 5974807), (1763, 1236985), (2993, 728635), (3139, 694745), (3389, 643495), (8815, 247397), (14965, 145727), (15695, 138949), (16945, 128699)]