201604840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63799}}^1$

素因数の和:63889

約数の個数: 32

約数和(自身を含む): 459360000

約数和(自身を除く): 257755160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63799, 127598, 255196, 318995, 510392, 637990, 1275980, 2551960, 5040121, 10080242, 20160484, 25200605, 40320968, 50401210, 100802420, 201604840]

約数ペア:

[(1, 201604840), (2, 100802420), (4, 50401210), (5, 40320968), (8, 25200605), (10, 20160484), (20, 10080242), (40, 5040121), (79, 2551960), (158, 1275980), (316, 637990), (395, 510392), (632, 318995), (790, 255196), (1580, 127598), (3160, 63799)]