84354940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{40949}}^1$

素因数の和:41061

約数の個数: 24

約数和(自身を含む): 178869600

約数和(自身を除く): 94514660

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 40949, 81898, 163796, 204745, 409490, 818980, 4217747, 8435494, 16870988, 21088735, 42177470, 84354940]

約数ペア:

[(1, 84354940), (2, 42177470), (4, 21088735), (5, 16870988), (10, 8435494), (20, 4217747), (103, 818980), (206, 409490), (412, 204745), (515, 163796), (1030, 81898), (2060, 40949)]