4988020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 10516968

約数和(自身を除く): 5528948

約数列:

[1, 2, 4, 5, 10, 20, 461, 541, 922, 1082, 1844, 2164, 2305, 2705, 4610, 5410, 9220, 10820, 249401, 498802, 997604, 1247005, 2494010, 4988020]

約数ペア:

[(1, 4988020), (2, 2494010), (4, 1247005), (5, 997604), (10, 498802), (20, 249401), (461, 10820), (541, 9220), (922, 5410), (1082, 4610), (1844, 2705), (2164, 2305)]