852209720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{210943}}^1$

素因数の和:211055

約数の個数: 32

約数和(自身を含む): 1936465920

約数和(自身を除く): 1084256200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 210943, 421886, 843772, 1054715, 1687544, 2109430, 4218860, 8437720, 21305243, 42610486, 85220972, 106526215, 170441944, 213052430, 426104860, 852209720]

約数ペア:

[(1, 852209720), (2, 426104860), (4, 213052430), (5, 170441944), (8, 106526215), (10, 85220972), (20, 42610486), (40, 21305243), (101, 8437720), (202, 4218860), (404, 2109430), (505, 1687544), (808, 1054715), (1010, 843772), (2020, 421886), (4040, 210943)]