2104120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 4853520

約数和(自身を除く): 2749400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1283, 1640, 2566, 5132, 6415, 10264, 12830, 25660, 51320, 52603, 105206, 210412, 263015, 420824, 526030, 1052060, 2104120]

約数ペア:

[(1, 2104120), (2, 1052060), (4, 526030), (5, 420824), (8, 263015), (10, 210412), (20, 105206), (40, 52603), (41, 51320), (82, 25660), (164, 12830), (205, 10264), (328, 6415), (410, 5132), (820, 2566), (1283, 1640)]