202788440

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9371}}^1$

素因数の和:9923

約数の個数: 32

約数和(自身を含む): 457166160

約数和(自身を除く): 254377720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9371, 10820, 18742, 21640, 37484, 46855, 74968, 93710, 187420, 374840, 5069711, 10139422, 20278844, 25348555, 40557688, 50697110, 101394220, 202788440]

約数ペア:

[(1, 202788440), (2, 101394220), (4, 50697110), (5, 40557688), (8, 25348555), (10, 20278844), (20, 10139422), (40, 5069711), (541, 374840), (1082, 187420), (2164, 93710), (2705, 74968), (4328, 46855), (5410, 37484), (9371, 21640), (10820, 18742)]