28804564220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5737961}}^1$

素因数の和:5738221

約数の個数: 24

約数和(自身を含む): 60730589808

約数和(自身を除く): 31926025588

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 5737961, 11475922, 22951844, 28689805, 57379610, 114759220, 1440228211, 2880456422, 5760912844, 7201141055, 14402282110, 28804564220]

約数ペア:

[(1, 28804564220), (2, 14402282110), (4, 7201141055), (5, 5760912844), (10, 2880456422), (20, 1440228211), (251, 114759220), (502, 57379610), (1004, 28689805), (1255, 22951844), (2510, 11475922), (5020, 5737961)]