143340920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87403}}^1$

素因数の和:87455

約数の個数: 32

約数和(自身を含む): 330387120

約数和(自身を除く): 187046200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 87403, 174806, 349612, 437015, 699224, 874030, 1748060, 3496120, 3583523, 7167046, 14334092, 17917615, 28668184, 35835230, 71670460, 143340920]

約数ペア:

[(1, 143340920), (2, 71670460), (4, 35835230), (5, 28668184), (8, 17917615), (10, 14334092), (20, 7167046), (40, 3583523), (41, 3496120), (82, 1748060), (164, 874030), (205, 699224), (328, 437015), (410, 349612), (820, 174806), (1640, 87403)]