211454240

素因数分解:

$2^5\times 5^1\times {\mathrm{1321589}}^1$

素因数の和:1321604

約数の個数: 24

約数和(自身を含む): 499561020

約数和(自身を除く): 288106780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1321589, 2643178, 5286356, 6607945, 10572712, 13215890, 21145424, 26431780, 42290848, 52863560, 105727120, 211454240]

約数ペア:

[(1, 211454240), (2, 105727120), (4, 52863560), (5, 42290848), (8, 26431780), (10, 21145424), (16, 13215890), (20, 10572712), (32, 6607945), (40, 5286356), (80, 2643178), (160, 1321589)]