201119960

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27779}}^1$

素因数の和:27971

約数の個数: 32

約数和(自身を含む): 455036400

約数和(自身を除く): 253916440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27779, 55558, 111116, 138895, 222232, 277790, 555580, 1111160, 5027999, 10055998, 20111996, 25139995, 40223992, 50279990, 100559980, 201119960]

約数ペア:

[(1, 201119960), (2, 100559980), (4, 50279990), (5, 40223992), (8, 25139995), (10, 20111996), (20, 10055998), (40, 5027999), (181, 1111160), (362, 555580), (724, 277790), (905, 222232), (1448, 138895), (1810, 111116), (3620, 55558), (7240, 27779)]