84421100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{4001}}^1$

素因数の和:4226

約数の個数: 36

約数和(自身を含む): 184108008

約数和(自身を除く): 99686908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 4001, 4220, 5275, 8002, 10550, 16004, 20005, 21100, 40010, 80020, 100025, 200050, 400100, 844211, 1688422, 3376844, 4221055, 8442110, 16884220, 21105275, 42210550, 84421100]

約数ペア:

[(1, 84421100), (2, 42210550), (4, 21105275), (5, 16884220), (10, 8442110), (20, 4221055), (25, 3376844), (50, 1688422), (100, 844211), (211, 400100), (422, 200050), (844, 100025), (1055, 80020), (2110, 40010), (4001, 21100), (4220, 20005), (5275, 16004), (8002, 10550)]