16428700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4007}}^1$

素因数の和:4062

約数の個数: 36

約数和(自身を含む): 36528912

約数和(自身を除く): 20100212

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4007, 4100, 8014, 16028, 20035, 40070, 80140, 100175, 164287, 200350, 328574, 400700, 657148, 821435, 1642870, 3285740, 4107175, 8214350, 16428700]

約数ペア:

[(1, 16428700), (2, 8214350), (4, 4107175), (5, 3285740), (10, 1642870), (20, 821435), (25, 657148), (41, 400700), (50, 328574), (82, 200350), (100, 164287), (164, 100175), (205, 80140), (410, 40070), (820, 20035), (1025, 16028), (2050, 8014), (4007, 4100)]