291201440

素因数分解:

$2^5\times 5^1\times {\mathrm{1820009}}^1$

素因数の和:1820024

約数の個数: 24

約数和(自身を含む): 687963780

約数和(自身を除く): 396762340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1820009, 3640018, 7280036, 9100045, 14560072, 18200090, 29120144, 36400180, 58240288, 72800360, 145600720, 291201440]

約数ペア:

[(1, 291201440), (2, 145600720), (4, 72800360), (5, 58240288), (8, 36400180), (10, 29120144), (16, 18200090), (20, 14560072), (32, 9100045), (40, 7280036), (80, 3640018), (160, 1820009)]