12263920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3739}}^1$

素因数の和:3793

約数の個数: 40

約数和(自身を含む): 29216880

約数和(自身を除く): 16952960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3739, 7478, 14956, 18695, 29912, 37390, 59824, 74780, 149560, 153299, 299120, 306598, 613196, 766495, 1226392, 1532990, 2452784, 3065980, 6131960, 12263920]

約数ペア:

[(1, 12263920), (2, 6131960), (4, 3065980), (5, 2452784), (8, 1532990), (10, 1226392), (16, 766495), (20, 613196), (40, 306598), (41, 299120), (80, 153299), (82, 149560), (164, 74780), (205, 59824), (328, 37390), (410, 29912), (656, 18695), (820, 14956), (1640, 7478), (3280, 3739)]